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Aloe greatheadii Schonland [family ALOACEAE]
Date Updated: 26 July 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 12, Part 3, page 48, (2001) Author: S. Kativu
Names
Aloe greatheadii Schonland [family ALOACEAE], in Rec. Albany Mus. 1: 121 (1904). —Berger in Engler, Pflanzenr. IV, fam. No. 38, III, II (Heft 33): 212 (1908). —Reynolds, Aloes S. Africa: 231 (1950); Aloes Trop. Africa & Madagascar: 231 (1966) excl. A. termetophila De Wild. —West, Aloes Rhodesia: 46 pl. 9, pl. 10a, b & c (1974); Aloes Zimbabwe, rev. Kimberley: 54 (1992) pro parte. —Tredgold & Biegel, Rhod. Wild Fl.: 4 (1979). —Court, Succ. Fl. South. Africa: 125 (1981). —Hargreaves, Succulents Botswana: 18 (1990). TAB. 12.3.16, fig. A. Type: Botswana, Mabeleapudi (Mapellapoede), 29 km north of Serowe, fl. 29.viii.1903, Schonland 1616 (GRA, holotype; PRE).
Information
Perennial herb, solitary or suckering to form small groups of plants, acaulescent or with a stout stem to 30 cm tall covered with dead leaf remains. Leaves in a compact rosette, spreading; lamina 20–40 × 6–12 cm, broadly lanceolate, usually dried and twisted in the apical 5–15 cm, dull greyish-green, with conspicuous elongated whitish spots arranged in irregular transverse bands on the upper surface, pale greyish-green and unspotted on the lower surface, lineate especially near the margins; margin horny and often brownish with pungent deltoid red-brown teeth 4–6 mm long and 10–15 mm apart; sap drying yellow. Inflorescences 1–3, erect, 1.25–1.75 m high; peduncle sturdy, 3–10-branched, the lowest branches sometimes rebranched; branches suberect, subtended by deltoid, scarious, many-nerved bracts 2–3 cm long. Racemes 8–20 × 7 cm, conical-cylindric, ± densely flowered; bracts 10–15 mm long, linear-lanceolate, scarious; pedicels 12–18 mm long. Perianth pale pink, with paler margins to the segments running to the base of the perianth, 25–32 mm long, 7–8 mm in diameter across the ovary, constricted just above the ovary, then widening and becoming slightly decurved towards the mouth, cylindric-trigonous; outer segments free for more than one-third, scarcely spreading at the tips. Stamens and stigma scarcely exserted. Capsule and seeds not seen.
Habitat
In stony grassland and open Brachystegia woodland
Range
Known with certainty only from Zimbabwe where it is common, and from Botswana
Altitude range
1000–1500 m.
1500
1000
Distribution
Botswana SE Gaborone, Segoditshane R., fl. & fr. 17.viii.1977, O.J. Hansen 3160 (GRA).Zimbabwe N Murewa Distr., 89.5 km NE of Harare, Chivake (Chibakwe) R., fl. 4.vii.1952, Reynolds 6644 (K; SRGH).Zimbabwe W Umzingwane Distr., Fern Kloof, fl. 24.vi.1931, Eyles 6608 (K; SRGH).Zimbabwe C Gweru Distr., 22.5 km south of Gweru on Shurugwi (Selukwe) road, fl. 29.vi.1961, Leach 11146 (K; SRGH); Goromonzi Distr., Chinhamhora C.L. (Chindamora), 18.vi.1958, Leach 609 (K; SRGH).Zimbabwe S 8 km east of Mberengwa (Belingwe), fl. 17.vi.1961, Leach 11113 (K; SRGH).
Notes
Populations in the Transvaal identified as A. greatheadii (see Reynolds, Aloes S. Africa: 231 (1950); -E. van Wyk & G.F. Smith, Guide Aloes S. Africa: 196 (1996); and Glen & Hardy in Fl. South. Africa 5, 1 (1): 55 (2000)) could possibly be referred to a mixture of that species and A. davyana Schonland, the latter considered by Glen & Hardy to be a varietal form of A. greatheadii (in S. Afr. J. Bot. 53: 490 (1987)).The type material of A. greatheadii is poor, and identification of the species must rely primarily upon Schonland’s description, based on a cultivated plant. Two features of particular importance are the very pale pink flowers, and leaves with upper surface dark green and spotted, the lower surface light green and without spots.Although Reynolds included Zambia in his distribution, no specimens were cited. Collections I have seen from the listed localities are more readily identified as A. zebrina sensu lato.Hybridisation with A. cameronii has been found near Domboshawa (Zimbabwe), fl. 21.vii.1958, Leach 618 (K; SRGH).
Date Updated: 26 July 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 12, Part 3, page 48, (2001) Author: S. Kativu
Names
Aloe greatheadii Schonland [family ALOACEAE], in Rec. Albany Mus. 1: 121 (1904). —Berger in Engler, Pflanzenr. IV, fam. No. 38, III, II (Heft 33): 212 (1908). —Reynolds, Aloes S. Africa: 231 (1950); Aloes Trop. Africa & Madagascar: 231 (1966) excl. A. termetophila De Wild. —West, Aloes Rhodesia: 46 pl. 9, pl. 10a, b & c (1974); Aloes Zimbabwe, rev. Kimberley: 54 (1992) pro parte. —Tredgold & Biegel, Rhod. Wild Fl.: 4 (1979). —Court, Succ. Fl. South. Africa: 125 (1981). —Hargreaves, Succulents Botswana: 18 (1990). TAB. 12.3.16, fig. A. Type: Botswana, Mabeleapudi (Mapellapoede), 29 km north of Serowe, fl. 29.viii.1903, Schonland 1616 (GRA, holotype; PRE).
Information
Perennial herb, solitary or suckering to form small groups of plants, acaulescent or with a stout stem to 30 cm tall covered with dead leaf remains. Leaves in a compact rosette, spreading; lamina 20–40 × 6–12 cm, broadly lanceolate, usually dried and twisted in the apical 5–15 cm, dull greyish-green, with conspicuous elongated whitish spots arranged in irregular transverse bands on the upper surface, pale greyish-green and unspotted on the lower surface, lineate especially near the margins; margin horny and often brownish with pungent deltoid red-brown teeth 4–6 mm long and 10–15 mm apart; sap drying yellow. Inflorescences 1–3, erect, 1.25–1.75 m high; peduncle sturdy, 3–10-branched, the lowest branches sometimes rebranched; branches suberect, subtended by deltoid, scarious, many-nerved bracts 2–3 cm long. Racemes 8–20 × 7 cm, conical-cylindric, ± densely flowered; bracts 10–15 mm long, linear-lanceolate, scarious; pedicels 12–18 mm long. Perianth pale pink, with paler margins to the segments running to the base of the perianth, 25–32 mm long, 7–8 mm in diameter across the ovary, constricted just above the ovary, then widening and becoming slightly decurved towards the mouth, cylindric-trigonous; outer segments free for more than one-third, scarcely spreading at the tips. Stamens and stigma scarcely exserted. Capsule and seeds not seen.
Habitat
In stony grassland and open Brachystegia woodland
Range
Known with certainty only from Zimbabwe where it is common, and from Botswana
Altitude range
1000–1500 m.
1500
1000
Distribution
Botswana SE Gaborone, Segoditshane R., fl. & fr. 17.viii.1977, O.J. Hansen 3160 (GRA).Zimbabwe N Murewa Distr., 89.5 km NE of Harare, Chivake (Chibakwe) R., fl. 4.vii.1952, Reynolds 6644 (K; SRGH).Zimbabwe W Umzingwane Distr., Fern Kloof, fl. 24.vi.1931, Eyles 6608 (K; SRGH).Zimbabwe C Gweru Distr., 22.5 km south of Gweru on Shurugwi (Selukwe) road, fl. 29.vi.1961, Leach 11146 (K; SRGH); Goromonzi Distr., Chinhamhora C.L. (Chindamora), 18.vi.1958, Leach 609 (K; SRGH).Zimbabwe S 8 km east of Mberengwa (Belingwe), fl. 17.vi.1961, Leach 11113 (K; SRGH).
Notes
Populations in the Transvaal identified as A. greatheadii (see Reynolds, Aloes S. Africa: 231 (1950); -E. van Wyk & G.F. Smith, Guide Aloes S. Africa: 196 (1996); and Glen & Hardy in Fl. South. Africa 5, 1 (1): 55 (2000)) could possibly be referred to a mixture of that species and A. davyana Schonland, the latter considered by Glen & Hardy to be a varietal form of A. greatheadii (in S. Afr. J. Bot. 53: 490 (1987)).The type material of A. greatheadii is poor, and identification of the species must rely primarily upon Schonland’s description, based on a cultivated plant. Two features of particular importance are the very pale pink flowers, and leaves with upper surface dark green and spotted, the lower surface light green and without spots.Although Reynolds included Zambia in his distribution, no specimens were cited. Collections I have seen from the listed localities are more readily identified as A. zebrina sensu lato.Hybridisation with A. cameronii has been found near Domboshawa (Zimbabwe), fl. 21.vii.1958, Leach 618 (K; SRGH).
Date Updated: 26 July 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 12, Part 3, page 48, (2001) Author: S. Kativu
Names
Aloe greatheadii Schonland [family ALOACEAE], in Rec. Albany Mus. 1: 121 (1904). —Berger in Engler, Pflanzenr. IV, fam. No. 38, III, II (Heft 33): 212 (1908). —Reynolds, Aloes S. Africa: 231 (1950); Aloes Trop. Africa & Madagascar: 231 (1966) excl. A. termetophila De Wild. —West, Aloes Rhodesia: 46 pl. 9, pl. 10a, b & c (1974); Aloes Zimbabwe, rev. Kimberley: 54 (1992) pro parte. —Tredgold & Biegel, Rhod. Wild Fl.: 4 (1979). —Court, Succ. Fl. South. Africa: 125 (1981). —Hargreaves, Succulents Botswana: 18 (1990). TAB. 12.3.16, fig. A. Type: Botswana, Mabeleapudi (Mapellapoede), 29 km north of Serowe, fl. 29.viii.1903, Schonland 1616 (GRA, holotype; PRE).
Information
Perennial herb, solitary or suckering to form small groups of plants, acaulescent or with a stout stem to 30 cm tall covered with dead leaf remains. Leaves in a compact rosette, spreading; lamina 20–40 × 6–12 cm, broadly lanceolate, usually dried and twisted in the apical 5–15 cm, dull greyish-green, with conspicuous elongated whitish spots arranged in irregular transverse bands on the upper surface, pale greyish-green and unspotted on the lower surface, lineate especially near the margins; margin horny and often brownish with pungent deltoid red-brown teeth 4–6 mm long and 10–15 mm apart; sap drying yellow. Inflorescences 1–3, erect, 1.25–1.75 m high; peduncle sturdy, 3–10-branched, the lowest branches sometimes rebranched; branches suberect, subtended by deltoid, scarious, many-nerved bracts 2–3 cm long. Racemes 8–20 × 7 cm, conical-cylindric, ± densely flowered; bracts 10–15 mm long, linear-lanceolate, scarious; pedicels 12–18 mm long. Perianth pale pink, with paler margins to the segments running to the base of the perianth, 25–32 mm long, 7–8 mm in diameter across the ovary, constricted just above the ovary, then widening and becoming slightly decurved towards the mouth, cylindric-trigonous; outer segments free for more than one-third, scarcely spreading at the tips. Stamens and stigma scarcely exserted. Capsule and seeds not seen.
Habitat
In stony grassland and open Brachystegia woodland
Range
Known with certainty only from Zimbabwe where it is common, and from Botswana
Altitude range
1000–1500 m.
1500
1000
Distribution
Botswana SE Gaborone, Segoditshane R., fl. & fr. 17.viii.1977, O.J. Hansen 3160 (GRA).Zimbabwe N Murewa Distr., 89.5 km NE of Harare, Chivake (Chibakwe) R., fl. 4.vii.1952, Reynolds 6644 (K; SRGH).Zimbabwe W Umzingwane Distr., Fern Kloof, fl. 24.vi.1931, Eyles 6608 (K; SRGH).Zimbabwe C Gweru Distr., 22.5 km south of Gweru on Shurugwi (Selukwe) road, fl. 29.vi.1961, Leach 11146 (K; SRGH); Goromonzi Distr., Chinhamhora C.L. (Chindamora), 18.vi.1958, Leach 609 (K; SRGH).Zimbabwe S 8 km east of Mberengwa (Belingwe), fl. 17.vi.1961, Leach 11113 (K; SRGH).
Notes
Populations in the Transvaal identified as A. greatheadii (see Reynolds, Aloes S. Africa: 231 (1950); -E. van Wyk & G.F. Smith, Guide Aloes S. Africa: 196 (1996); and Glen & Hardy in Fl. South. Africa 5, 1 (1): 55 (2000)) could possibly be referred to a mixture of that species and A. davyana Schonland, the latter considered by Glen & Hardy to be a varietal form of A. greatheadii (in S. Afr. J. Bot. 53: 490 (1987)).The type material of A. greatheadii is poor, and identification of the species must rely primarily upon Schonland’s description, based on a cultivated plant. Two features of particular importance are the very pale pink flowers, and leaves with upper surface dark green and spotted, the lower surface light green and without spots.Although Reynolds included Zambia in his distribution, no specimens were cited. Collections I have seen from the listed localities are more readily identified as A. zebrina sensu lato.Hybridisation with A. cameronii has been found near Domboshawa (Zimbabwe), fl. 21.vii.1958, Leach 618 (K; SRGH).
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