Edit History
Thecacoris trichogyne Müll. Arg. [family EUPHORBIACEAE]
Date Updated: 26 July 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 9, Part 4, (1996) Author: A. Radcliffe-Smith
Names
Thecacoris trichogyne Müll. Arg. [family EUPHORBIACEAE], in J. Bot. 2: 328 (1864); in De Candolle, Prodr. 15, 2: 246 (1866). —Hutchinson in F.T.A. 6, 1: 660 (1912). —R.E. Fries, Wiss. Ergebn. Schwed. Rhod.-Kongo-Exped. 1, 1: 119 (1914). —Engler, Pflanzenw. Afrikas (Veg. Erde 9) 3, 2: 14 (1921). —Pax in Engler, Pflanzenr. [IV, fam. 147, xv] 81: 11 (1922). —White, F.F.N.R.: 205 (1962). —J. Léonard in Bull. Jard. Bot. Belg. 64: 30 (1995). Type from Angola (Malanje Province).
Information
A small, several-stemmed scrambling shrub or slender tree up to 6 m high; bark smooth, pale grey.Twigs green at first and shiny, later becoming brownish or purplish-grey.Young shoots densely fulvous-pubescent.Petioles 0.5–1 cm long, 1–3 mm thick.Leaf blades 2–21 × 0.5–8 cm, elliptic-oblanceolate to oblong-lanceolate, obtuse or acuminate, mucronate, asymmetrically rounded-cuneate at the base, undulate on the margins, chartaceous to thinly coriaceous, sparingly pubescent along the margin and the midrib and lateral nerves beneath, otherwise glabrous, deep glossy green above, paler and duller beneath; lateral nerves in 6–12 pairs, impressed above, fairly prominent beneath, strongly brochidodromous, tertiary nerves prominently reticulate above and beneath.Stipules 0.5–1 cm long, lanceolate to setaceous, acute, pubescent, green, subpersistent.Male spikes 0.5–4.5 cm long, amentiform, pendulous, shortly pedunculate; axis densely pubescent.Male flowers: sepals 1.5 × 1 mm, ovate, subacute, pubescent towards the apex without, glabrous within, greenish; petals, when present, 0.5 mm long, subulate; disk glands 2-lobed, contiguous, apically setose; stamens 2 mm long, filaments uniformly slender, anthers 0.5 mm long; pistillode 0.5 mm high, cylindric, pubescent, 3-lobulate at the apex, lobules glabrous.Female racemes 6–17 cm long, extending to 25 cm in fruit.Female flowers: pedicels 1–3 mm long, extending to up to 1.5 cm in fruit and becoming sharply decurved at the tip; sepals ± as in the male; petals, when present, 1 mm long, subulate, acute or linear, 2-lobed; disk 3 mm in diameter, glabrous; ovary 2.5 × 3 mm, 3-lobed to subglobose, densely fulvous-pubescent, grey-green; styles 1.5–2 mm long, sparingly pubescent, greenish, stigmas glabrous, yellowish.Fruit 6–7 × 8–11 mm, depressed, rounded-3-lobed, sparingly appressed-pubescent, pale grey-green, sometimes pinkish-tinged.Seeds 4–5 × 3–4 mm, ovoid-subglobose, smooth, shiny, dark green at first, later becoming dark brown; hilum and caruncle tawny-brownish.
Habitat
Riverine and swamp forest (mushitu) understorey and margins, also in sand of lakeshore fixed dunes
Altitude range
900 m.
900
900
Distribution
Zambia W Mwinilunga Distr., Lisombo R., 16 km SW of Kalene Hill Mission, female fl. & o. fr. 11.vi.1963, Drummond 8286 (K; LISC; PRE; SRGH).Zambia N 19 km south of Kawambwa, male fl. 20.x.1952, White 3535 (FHO; K; PRE).
Distribution (external)
Cameroon
Zaire
Angola
Notes
This is possibly not specifically distinct from T. annobonae Pax & K. Hoffm., from Cameroon and Annobon Island.
Date Updated: 26 July 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 9, Part 4, (1996) Author: A. Radcliffe-Smith
Names
Thecacoris trichogyne Müll. Arg. [family EUPHORBIACEAE], in J. Bot. 2: 328 (1864); in De Candolle, Prodr. 15, 2: 246 (1866). —Hutchinson in F.T.A. 6, 1: 660 (1912). —R.E. Fries, Wiss. Ergebn. Schwed. Rhod.-Kongo-Exped. 1, 1: 119 (1914). —Engler, Pflanzenw. Afrikas (Veg. Erde 9) 3, 2: 14 (1921). —Pax in Engler, Pflanzenr. [IV, fam. 147, xv] 81: 11 (1922). —White, F.F.N.R.: 205 (1962). —J. Léonard in Bull. Jard. Bot. Belg. 64: 30 (1995). Type from Angola (Malanje Province).
Information
A small, several-stemmed scrambling shrub or slender tree up to 6 m high; bark smooth, pale grey.Twigs green at first and shiny, later becoming brownish or purplish-grey.Young shoots densely fulvous-pubescent.Petioles 0.5–1 cm long, 1–3 mm thick.Leaf blades 2–21 × 0.5–8 cm, elliptic-oblanceolate to oblong-lanceolate, obtuse or acuminate, mucronate, asymmetrically rounded-cuneate at the base, undulate on the margins, chartaceous to thinly coriaceous, sparingly pubescent along the margin and the midrib and lateral nerves beneath, otherwise glabrous, deep glossy green above, paler and duller beneath; lateral nerves in 6–12 pairs, impressed above, fairly prominent beneath, strongly brochidodromous, tertiary nerves prominently reticulate above and beneath.Stipules 0.5–1 cm long, lanceolate to setaceous, acute, pubescent, green, subpersistent.Male spikes 0.5–4.5 cm long, amentiform, pendulous, shortly pedunculate; axis densely pubescent.Male flowers: sepals 1.5 × 1 mm, ovate, subacute, pubescent towards the apex without, glabrous within, greenish; petals, when present, 0.5 mm long, subulate; disk glands 2-lobed, contiguous, apically setose; stamens 2 mm long, filaments uniformly slender, anthers 0.5 mm long; pistillode 0.5 mm high, cylindric, pubescent, 3-lobulate at the apex, lobules glabrous.Female racemes 6–17 cm long, extending to 25 cm in fruit.Female flowers: pedicels 1–3 mm long, extending to up to 1.5 cm in fruit and becoming sharply decurved at the tip; sepals ± as in the male; petals, when present, 1 mm long, subulate, acute or linear, 2-lobed; disk 3 mm in diameter, glabrous; ovary 2.5 × 3 mm, 3-lobed to subglobose, densely fulvous-pubescent, grey-green; styles 1.5–2 mm long, sparingly pubescent, greenish, stigmas glabrous, yellowish.Fruit 6–7 × 8–11 mm, depressed, rounded-3-lobed, sparingly appressed-pubescent, pale grey-green, sometimes pinkish-tinged.Seeds 4–5 × 3–4 mm, ovoid-subglobose, smooth, shiny, dark green at first, later becoming dark brown; hilum and caruncle tawny-brownish.
Habitat
Riverine and swamp forest (mushitu) understorey and margins, also in sand of lakeshore fixed dunes
Altitude range
900 m.
900
900
Distribution
Zambia W Mwinilunga Distr., Lisombo R., 16 km SW of Kalene Hill Mission, female fl. & o. fr. 11.vi.1963, Drummond 8286 (K; LISC; PRE; SRGH).Zambia N 19 km south of Kawambwa, male fl. 20.x.1952, White 3535 (FHO; K; PRE).
Distribution (external)
Cameroon
Zaire
Angola
Notes
This is possibly not specifically distinct from T. annobonae Pax & K. Hoffm., from Cameroon and Annobon Island.
Date Updated: 26 July 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 9, Part 4, (1996) Author: A. Radcliffe-Smith
Names
Thecacoris trichogyne Müll. Arg. [family EUPHORBIACEAE], in J. Bot. 2: 328 (1864); in De Candolle, Prodr. 15, 2: 246 (1866). —Hutchinson in F.T.A. 6, 1: 660 (1912). —R.E. Fries, Wiss. Ergebn. Schwed. Rhod.-Kongo-Exped. 1, 1: 119 (1914). —Engler, Pflanzenw. Afrikas (Veg. Erde 9) 3, 2: 14 (1921). —Pax in Engler, Pflanzenr. [IV, fam. 147, xv] 81: 11 (1922). —White, F.F.N.R.: 205 (1962). —J. Léonard in Bull. Jard. Bot. Belg. 64: 30 (1995). Type from Angola (Malanje Province).
Information
A small, several-stemmed scrambling shrub or slender tree up to 6 m high; bark smooth, pale grey.Twigs green at first and shiny, later becoming brownish or purplish-grey.Young shoots densely fulvous-pubescent.Petioles 0.5–1 cm long, 1–3 mm thick.Leaf blades 2–21 × 0.5–8 cm, elliptic-oblanceolate to oblong-lanceolate, obtuse or acuminate, mucronate, asymmetrically rounded-cuneate at the base, undulate on the margins, chartaceous to thinly coriaceous, sparingly pubescent along the margin and the midrib and lateral nerves beneath, otherwise glabrous, deep glossy green above, paler and duller beneath; lateral nerves in 6–12 pairs, impressed above, fairly prominent beneath, strongly brochidodromous, tertiary nerves prominently reticulate above and beneath.Stipules 0.5–1 cm long, lanceolate to setaceous, acute, pubescent, green, subpersistent.Male spikes 0.5–4.5 cm long, amentiform, pendulous, shortly pedunculate; axis densely pubescent.Male flowers: sepals 1.5 × 1 mm, ovate, subacute, pubescent towards the apex without, glabrous within, greenish; petals, when present, 0.5 mm long, subulate; disk glands 2-lobed, contiguous, apically setose; stamens 2 mm long, filaments uniformly slender, anthers 0.5 mm long; pistillode 0.5 mm high, cylindric, pubescent, 3-lobulate at the apex, lobules glabrous.Female racemes 6–17 cm long, extending to 25 cm in fruit.Female flowers: pedicels 1–3 mm long, extending to up to 1.5 cm in fruit and becoming sharply decurved at the tip; sepals ± as in the male; petals, when present, 1 mm long, subulate, acute or linear, 2-lobed; disk 3 mm in diameter, glabrous; ovary 2.5 × 3 mm, 3-lobed to subglobose, densely fulvous-pubescent, grey-green; styles 1.5–2 mm long, sparingly pubescent, greenish, stigmas glabrous, yellowish.Fruit 6–7 × 8–11 mm, depressed, rounded-3-lobed, sparingly appressed-pubescent, pale grey-green, sometimes pinkish-tinged.Seeds 4–5 × 3–4 mm, ovoid-subglobose, smooth, shiny, dark green at first, later becoming dark brown; hilum and caruncle tawny-brownish.
Habitat
Riverine and swamp forest (mushitu) understorey and margins, also in sand of lakeshore fixed dunes
Altitude range
900 m.
900
900
Distribution
Zambia W Mwinilunga Distr., Lisombo R., 16 km SW of Kalene Hill Mission, female fl. & o. fr. 11.vi.1963, Drummond 8286 (K; LISC; PRE; SRGH).Zambia N 19 km south of Kawambwa, male fl. 20.x.1952, White 3535 (FHO; K; PRE).
Distribution (external)
Cameroon
Zaire
Angola
Notes
This is possibly not specifically distinct from T. annobonae Pax & K. Hoffm., from Cameroon and Annobon Island.
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