Edit History
Hedythyrsus thamnoideus K. Schum. Bremek. [family RUBIACEAE]
Date Updated: 26 July 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 5, Part 1, (1989) Author: B. Verdcourt
Names
Hedythyrsus thamnoideus K. Schum. Bremek. [family RUBIACEAE], in Verh. K. Akad. Wet. Afd. Natuurk. ser. 2, 48(2): 151 (1952). —Verdc. in F.T.E.A., Rubiaceae 1: 250, fig. 33 (1976). TAB. 24. Type from Tanzania.
Oldenlandia thamnoidea K. Schum. [family RUBIACEAE], in Engl., Bot. Jahrb. 28: 56 (1899); 28: 485 (1900).
Hedythyrsus spermacocinus [family RUBIACEAE], sensu F. White, F.F.N.R.: 409 (1962) quoad spec. cit. non (K. Schum.) Bremek. sensu stricto.
Information
Subshrub 0.15–2 m. tall; stems drying blackish, ± glabrous or with only a few lines of hairs on young pans; internodes short. Leaf blades discolourous, green above (blackish-green when dry), whitish or silvery beneath, 0.8–2(2.5) cm. x 2.5–8 mm., narrowly elliptic to lanceolate, acute at the apex, cuneate at the base, revolute at the margins, glabrous or with a few hairs on the margins and main nerve beneath; petiole short, scarcely 1(-1.5) mm. long; stipule sheath hairy, 1–3 mm. long, with 3–7 fimbriae 1–4 mm. long, often ciliate. Inflorescences (1)1.5–2.5 cm. wide, ± less than 30-flowered; peduncle 0–1.5 cm. long, sometimes bifariously hairy; pedicels 0–1 mm. long. Calyx tube 0.5–1.5 mm. long, ovoid, glabrous, pubescent or with a few hairs at top between the lobes; lobes 1.3–2.5 mm. long, glabrous or with some hairs on margin at the base. Corolla white, pink or pale lilac; tube 1.8–4 mm. long, longest in the short-styled flowers, glabrous or hairy outside; lobes 1.5–3 x 1–1.3 mm., oblong-ovate. Style 1.7–2.8 mm. long in short-styled flowers, 3–5.8 mm. long in long-styled flowers; stigma lobes 0.2–0.5 mm. long. Capsule 1–1.2 mm. tall excluding the 1–1.6 mm. long beak, 1.8–2 mm. wide. Seeds chestnut brown, 1–1.2 mm. long.
Habitat
Podocarpus-Ochna forest on steep rock slopes, Myrica-Hagenia-Philippia mist forest, above upper limit of evergreen ravine forest in bracken or Protea-Ericaceae scrub and also in grassland
Altitude range
1950–2400 m.
2400
1950
Distribution
Malawi N Nyika Plateau, Kasaramba View Road, fl. 6.vii.1971, Pawek 5029 (K, MAL).Zambia N Mafinga Mts., fl. & fr. 24.v.1973, Chisumpa 78 (K; NDO).
Distribution (external)
Tanzania
Notes
F. White (F.F.N.R.: 409 (1962)) unites the two taxa but although undoubtedly close and with distributions coming near each other in Zambia, N. they are certainly not identical in either morphology or ecology. Subspecific rank is probably indicated but I have maintained the status I used in F.T.E.A. — there is no difficulty in naming the two.
Date Updated: 26 July 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 5, Part 1, (1989) Author: B. Verdcourt
Names
Hedythyrsus thamnoideus K. Schum. Bremek. [family RUBIACEAE], in Verh. K. Akad. Wet. Afd. Natuurk. ser. 2, 48(2): 151 (1952). —Verdc. in F.T.E.A., Rubiaceae 1: 250, fig. 33 (1976). TAB. 24. Type from Tanzania.
Oldenlandia thamnoidea K. Schum. [family RUBIACEAE], in Engl., Bot. Jahrb. 28: 56 (1899); 28: 485 (1900).
Hedythyrsus spermacocinus [family RUBIACEAE], sensu F. White, F.F.N.R.: 409 (1962) quoad spec. cit. non (K. Schum.) Bremek. sensu stricto.
Information
Subshrub 0.15–2 m. tall; stems drying blackish, ± glabrous or with only a few lines of hairs on young pans; internodes short. Leaf blades discolourous, green above (blackish-green when dry), whitish or silvery beneath, 0.8–2(2.5) cm. x 2.5–8 mm., narrowly elliptic to lanceolate, acute at the apex, cuneate at the base, revolute at the margins, glabrous or with a few hairs on the margins and main nerve beneath; petiole short, scarcely 1(-1.5) mm. long; stipule sheath hairy, 1–3 mm. long, with 3–7 fimbriae 1–4 mm. long, often ciliate. Inflorescences (1)1.5–2.5 cm. wide, ± less than 30-flowered; peduncle 0–1.5 cm. long, sometimes bifariously hairy; pedicels 0–1 mm. long. Calyx tube 0.5–1.5 mm. long, ovoid, glabrous, pubescent or with a few hairs at top between the lobes; lobes 1.3–2.5 mm. long, glabrous or with some hairs on margin at the base. Corolla white, pink or pale lilac; tube 1.8–4 mm. long, longest in the short-styled flowers, glabrous or hairy outside; lobes 1.5–3 x 1–1.3 mm., oblong-ovate. Style 1.7–2.8 mm. long in short-styled flowers, 3–5.8 mm. long in long-styled flowers; stigma lobes 0.2–0.5 mm. long. Capsule 1–1.2 mm. tall excluding the 1–1.6 mm. long beak, 1.8–2 mm. wide. Seeds chestnut brown, 1–1.2 mm. long.
Habitat
Podocarpus-Ochna forest on steep rock slopes, Myrica-Hagenia-Philippia mist forest, above upper limit of evergreen ravine forest in bracken or Protea-Ericaceae scrub and also in grassland
Altitude range
1950–2400 m.
2400
1950
Distribution
Malawi N Nyika Plateau, Kasaramba View Road, fl. 6.vii.1971, Pawek 5029 (K, MAL).Zambia N Mafinga Mts., fl. & fr. 24.v.1973, Chisumpa 78 (K; NDO).
Distribution (external)
Tanzania
Notes
F. White (F.F.N.R.: 409 (1962)) unites the two taxa but although undoubtedly close and with distributions coming near each other in Zambia, N. they are certainly not identical in either morphology or ecology. Subspecific rank is probably indicated but I have maintained the status I used in F.T.E.A. — there is no difficulty in naming the two.
Date Updated: 26 July 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 5, Part 1, (1989) Author: B. Verdcourt
Names
Hedythyrsus thamnoideus K. Schum. Bremek. [family RUBIACEAE], in Verh. K. Akad. Wet. Afd. Natuurk. ser. 2, 48(2): 151 (1952). —Verdc. in F.T.E.A., Rubiaceae 1: 250, fig. 33 (1976). TAB. 24. Type from Tanzania.
Oldenlandia thamnoidea K. Schum. [family RUBIACEAE], in Engl., Bot. Jahrb. 28: 56 (1899); 28: 485 (1900).
Hedythyrsus spermacocinus [family RUBIACEAE], sensu F. White, F.F.N.R.: 409 (1962) quoad spec. cit. non (K. Schum.) Bremek. sensu stricto.
Information
Subshrub 0.15–2 m. tall; stems drying blackish, ± glabrous or with only a few lines of hairs on young pans; internodes short. Leaf blades discolourous, green above (blackish-green when dry), whitish or silvery beneath, 0.8–2(2.5) cm. x 2.5–8 mm., narrowly elliptic to lanceolate, acute at the apex, cuneate at the base, revolute at the margins, glabrous or with a few hairs on the margins and main nerve beneath; petiole short, scarcely 1(-1.5) mm. long; stipule sheath hairy, 1–3 mm. long, with 3–7 fimbriae 1–4 mm. long, often ciliate. Inflorescences (1)1.5–2.5 cm. wide, ± less than 30-flowered; peduncle 0–1.5 cm. long, sometimes bifariously hairy; pedicels 0–1 mm. long. Calyx tube 0.5–1.5 mm. long, ovoid, glabrous, pubescent or with a few hairs at top between the lobes; lobes 1.3–2.5 mm. long, glabrous or with some hairs on margin at the base. Corolla white, pink or pale lilac; tube 1.8–4 mm. long, longest in the short-styled flowers, glabrous or hairy outside; lobes 1.5–3 x 1–1.3 mm., oblong-ovate. Style 1.7–2.8 mm. long in short-styled flowers, 3–5.8 mm. long in long-styled flowers; stigma lobes 0.2–0.5 mm. long. Capsule 1–1.2 mm. tall excluding the 1–1.6 mm. long beak, 1.8–2 mm. wide. Seeds chestnut brown, 1–1.2 mm. long.
Habitat
Podocarpus-Ochna forest on steep rock slopes, Myrica-Hagenia-Philippia mist forest, above upper limit of evergreen ravine forest in bracken or Protea-Ericaceae scrub and also in grassland
Altitude range
1950–2400 m.
2400
1950
Distribution
Malawi N Nyika Plateau, Kasaramba View Road, fl. 6.vii.1971, Pawek 5029 (K, MAL).Zambia N Mafinga Mts., fl. & fr. 24.v.1973, Chisumpa 78 (K; NDO).
Distribution (external)
Tanzania
Notes
F. White (F.F.N.R.: 409 (1962)) unites the two taxa but although undoubtedly close and with distributions coming near each other in Zambia, N. they are certainly not identical in either morphology or ecology. Subspecific rank is probably indicated but I have maintained the status I used in F.T.E.A. — there is no difficulty in naming the two.
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