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ERIANTHEMUM taborense (Engl.) Tiegh. [family LORANTHACEAE]

Date Updated: 19 August 2007

Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, page 1, (1999) Author: POLHILL & D. WIENS
Names
ERIANTHEMUM taborense (Engl.) Tiegh. [family LORANTHACEAE], in Bull. Soc. Bot. Fr. 42: 248 (1895); Polh. & Wiens, Mistletoes Afr.: 238 (1998). Type: Tanzania, Tabora, Stuhlmann 573 (B!, holo.) Loranthus taborensis Engl. [family LORANTHACEAE], in E.J. 20: 106, t. 2D (1894) & P.O.A. C: 166 (1895), excl. fig. cit., & in E.J. 30: 301 (1901) Loranthus dregei (Engl.) Sprague var. taborensis [family LORANTHACEAE], in F.T.A. 6(1): 312 (1910); F.D.O.-A. 2: 166 (1932), pro parte; Balle in F.C.B. 1: 319 (1948); T.T.C.L.: 282 (1949)
Information
Stems spreading to pendent, to 1.5–2 m. long; twigs soon thickening to 5–8 mm. diameter, tomentellous with white to fulvous stellate and very shortly dendritic hairs, glabrescent. Leaves opposite or subopposite, well spaced; petiole 5–15 mm. long; lamina ovate to oblong-elliptic, rarely some obovate, (5–)9–15 cm. long, (3–)4.5–12 cm. wide, broadly cuneate to mostly cordate at the base, stellate-puberulous, tardily glabrescent, with 7–10 pairs of lateral nerves. Heads 1–several in axils or at nodes below, 2–6-flowered; peduncle 3–12 mm. long; bract ovate-circular, concave, 4–6 mm. long, pubescent. Receptacle 2 mm. long, long-hairy; calyx tubular, 6–8 mm. long, silky villous. Corolla 5–6 cm. long, pale greenish yellow, flushing pale orange on tube, very densely covered with long silky pale to lemon-yellow hairs masking the constriction of the tube; basal swelling 5–11 mm. long; constriction 4–5 mm. long; distal part of tube ± 10 mm. long. Berry pink to red, 20–23 mm. long including calyx, pilose, ultimately glabrescent; seed orange-yellow, shading to red at the blunt end.
Range
DISTR. T 4, 5, 7
Altitude range
800–1650 m.
Distribution
TANZANIA Mpanda District Mwesi [Mwese], 20 May 1975, Kahurananga, Kibuwa & Mungai 2571!;TANZANIA Mpwapwa, 21 July 1938, Hornby 904!;TANZANIA Iringa, just N. of township, 14 July 1956, Milne-Redhead & Taylor 11079!
Distribution (external)
; Zaire (Shaba) Burundi Zambia Malawi
Notes
Despite the general similarity to E. dregei these populations seem sufficiently distinctive, uniform and geographically discrete to warrant specific rank. The differences are least perhaps with the forms of E. dregei extending up the western side of the Rift Valley from Elgon to N. Ethiopia as pointed out by Sprague (1910) when he ranked it as a variety. The populations of E. dregei in the peripheral Brachystegia woodlands are notably polymorphic and may approach the robustness of E. taborense at least in their leaves, but obvious hybrids have not been d yet. The species flowers in the dry season, May–October, later than E. dregei where the ranges overlap.

Date Updated: 19 August 2007

Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, page 1, (1999) Author: POLHILL & D. WIENS
Names
ERIANTHEMUM taborense (Engl.) Tiegh. [family LORANTHACEAE], in Bull. Soc. Bot. Fr. 42: 248 (1895); Polh. & Wiens, Mistletoes Afr.: 238 (1998). Type: Tanzania, Tabora, Stuhlmann 573 (B!, holo.) Loranthus taborensis Engl. [family LORANTHACEAE], in E.J. 20: 106, t. 2D (1894) & P.O.A. C: 166 (1895), excl. fig. cit., & in E.J. 30: 301 (1901) Loranthus dregei (Engl.) Sprague var. taborensis [family LORANTHACEAE], in F.T.A. 6(1): 312 (1910); F.D.O.-A. 2: 166 (1932), pro parte; Balle in F.C.B. 1: 319 (1948); T.T.C.L.: 282 (1949)
Information
Stems spreading to pendent, to 1.5–2 m. long; twigs soon thickening to 5–8 mm. diameter, tomentellous with white to fulvous stellate and very shortly dendritic hairs, glabrescent. Leaves opposite or subopposite, well spaced; petiole 5–15 mm. long; lamina ovate to oblong-elliptic, rarely some obovate, (5–)9–15 cm. long, (3–)4.5–12 cm. wide, broadly cuneate to mostly cordate at the base, stellate-puberulous, tardily glabrescent, with 7–10 pairs of lateral nerves. Heads 1–several in axils or at nodes below, 2–6-flowered; peduncle 3–12 mm. long; bract ovate-circular, concave, 4–6 mm. long, pubescent. Receptacle 2 mm. long, long-hairy; calyx tubular, 6–8 mm. long, silky villous. Corolla 5–6 cm. long, pale greenish yellow, flushing pale orange on tube, very densely covered with long silky pale to lemon-yellow hairs masking the constriction of the tube; basal swelling 5–11 mm. long; constriction 4–5 mm. long; distal part of tube ± 10 mm. long. Berry pink to red, 20–23 mm. long including calyx, pilose, ultimately glabrescent; seed orange-yellow, shading to red at the blunt end.
Range
DISTR. T 4, 5, 7
Altitude range
800–1650 m.
Distribution
TANZANIA Mpanda District Mwesi [Mwese], 20 May 1975, Kahurananga, Kibuwa & Mungai 2571!;TANZANIA Mpwapwa, 21 July 1938, Hornby 904!;TANZANIA Iringa, just N. of township, 14 July 1956, Milne-Redhead & Taylor 11079!
Distribution (external)
; Zaire (Shaba) Burundi Zambia Malawi
Notes
Despite the general similarity to E. dregei these populations seem sufficiently distinctive, uniform and geographically discrete to warrant specific rank. The differences are least perhaps with the forms of E. dregei extending up the western side of the Rift Valley from Elgon to N. Ethiopia as pointed out by Sprague (1910) when he ranked it as a variety. The populations of E. dregei in the peripheral Brachystegia woodlands are notably polymorphic and may approach the robustness of E. taborense at least in their leaves, but obvious hybrids have not been d yet. The species flowers in the dry season, May–October, later than E. dregei where the ranges overlap.

Date Updated: 19 August 2007

Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, page 1, (1999) Author: POLHILL & D. WIENS
Names
ERIANTHEMUM taborense (Engl.) Tiegh. [family LORANTHACEAE], in Bull. Soc. Bot. Fr. 42: 248 (1895); Polh. & Wiens, Mistletoes Afr.: 238 (1998). Type: Tanzania, Tabora, Stuhlmann 573 (B!, holo.) Loranthus taborensis Engl. [family LORANTHACEAE], in E.J. 20: 106, t. 2D (1894) & P.O.A. C: 166 (1895), excl. fig. cit., & in E.J. 30: 301 (1901) Loranthus dregei (Engl.) Sprague var. taborensis [family LORANTHACEAE], in F.T.A. 6(1): 312 (1910); F.D.O.-A. 2: 166 (1932), pro parte; Balle in F.C.B. 1: 319 (1948); T.T.C.L.: 282 (1949)
Information
Stems spreading to pendent, to 1.5–2 m. long; twigs soon thickening to 5–8 mm. diameter, tomentellous with white to fulvous stellate and very shortly dendritic hairs, glabrescent. Leaves opposite or subopposite, well spaced; petiole 5–15 mm. long; lamina ovate to oblong-elliptic, rarely some obovate, (5–)9–15 cm. long, (3–)4.5–12 cm. wide, broadly cuneate to mostly cordate at the base, stellate-puberulous, tardily glabrescent, with 7–10 pairs of lateral nerves. Heads 1–several in axils or at nodes below, 2–6-flowered; peduncle 3–12 mm. long; bract ovate-circular, concave, 4–6 mm. long, pubescent. Receptacle 2 mm. long, long-hairy; calyx tubular, 6–8 mm. long, silky villous. Corolla 5–6 cm. long, pale greenish yellow, flushing pale orange on tube, very densely covered with long silky pale to lemon-yellow hairs masking the constriction of the tube; basal swelling 5–11 mm. long; constriction 4–5 mm. long; distal part of tube ± 10 mm. long. Berry pink to red, 20–23 mm. long including calyx, pilose, ultimately glabrescent; seed orange-yellow, shading to red at the blunt end.
Range
DISTR. T 4, 5, 7
Altitude range
800–1650 m.
Distribution
TANZANIA Mpanda District Mwesi [Mwese], 20 May 1975, Kahurananga, Kibuwa & Mungai 2571!;TANZANIA Mpwapwa, 21 July 1938, Hornby 904!;TANZANIA Iringa, just N. of township, 14 July 1956, Milne-Redhead & Taylor 11079!
Distribution (external)
; Zaire (Shaba) Burundi Zambia Malawi
Notes
Despite the general similarity to E. dregei these populations seem sufficiently distinctive, uniform and geographically discrete to warrant specific rank. The differences are least perhaps with the forms of E. dregei extending up the western side of the Rift Valley from Elgon to N. Ethiopia as pointed out by Sprague (1910) when he ranked it as a variety. The populations of E. dregei in the peripheral Brachystegia woodlands are notably polymorphic and may approach the robustness of E. taborense at least in their leaves, but obvious hybrids have not been d yet. The species flowers in the dry season, May–October, later than E. dregei where the ranges overlap.
ERIANTHEMUM taborense (Engl.) Tiegh. [family LORANTHACEAE]
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