Edit History
Neoboutonia macrocalyx Pax [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
Neoboutonia macrocalyx Pax [family EUPHORBIACEAE], in Bot. Jahrb. Syst. 30: 339 (1901). —Prain in F.T.A. 6, 1: 919 (1912). —Pax in Engler, Pflanzenr. [IV, fam. 147, vii] 63: 72, t. 10 (1914). —Engler, Pflanzenw. Afrikas (Veg. Erde 9) 3, 2: 67, t. 26 (1921). —Robyns & Tournay, Fl. Sperm. Parc Nat. Alb. 1: 451 (1948). —Brenan, Check-list For. Trees Shrubs Tang. Terr.: 221 (1949). —Eggeling & Dale, Indig. Trees Uganda, ed. 2: 135 (1952). —F.W. Andrews, Fl. Pl. Anglo-Egypt. Sudan 2: 88 (1982). —Dale & Greenway, Kenya Trees & Shrubs: 210 (1961). —Troupin, Fl. Pl. Lign. Rwanda. 266, fig. 91/2 (1982); in Fl. Rwanda 2: 233, fig. 69/2 (1983). —Radcliffe-Smith in F.T.E.A., Euphorb. 1: 232 (1987). —Beentje, Kenya Trees, Shrubs Lianas: 215 (1994). Type from Tanzania (Southern Highlands Province).
Information
An open-crowned tree 10–20(40) m in height, with a straight clear bole.Bark smooth, pale.Branches brittle.Twigs and petioles scurfily stellate-pubescent.Petioles 5–15 cm long.Leaf blade 10–30 × 10–25 cm, broadly ovate-suborbicular, shortly acutely acuminate at the apex, deeply cordate at the base, usually entire, occasionally shallowly denticulate, sparingly scurfily stellate-pubescent on the nerves on the upper and lower surfaces, otherwise ± glabrous and minutely gland-dotted beneath; main nerves 7–9(11) from the base, lateral nerves in 5–7 pairs.Stipules 0.7–1 × 0.7–1.5 cm, ovate, densely pubescent.Male inflorescences 20–30 × 20 cm, often leafy at the base; axes pubescent; bracts 1–2 mm long, ovate, 1–4-flowered.Male flowers: pedicels 2–3 mm long, ± glabrous; buds ovoid, pubescent; calyx lobes 2.5–3 mm long, broadly ovate, cream-coloured; disk glands 10, 0.3 mm long, cylindric; stamens 30–40, 2–3 mm long, anthers 1.3 mm long, pale yellow.Female inflorescences few-branched, up to 20 cm long and wide; bracts 4 mm long, 1-flowered; otherwise as in the male.Female flowers: pedicels stout, up to 8 mm long, pubescent; calyx lobes 3 mm long, accrescent to 5(9) mm in fruit, linear-lanceolate, 3-nerved, thick, reflexed, velutinous; disk shallowly 5-lobed; ovary 2 mm in diameter, 3-lobed, densely stellate-pubescent; styles 2 mm long, pubescent abaxially.Fruits 1–1.2 × 1.2–1.3 cm evenly scurfily stellate-tomentose.Seeds 7 × 5 mm, ellipsoid, dark brown-mottled; caruncle appressed, 2-lobed.
Habitat
Locally common subcanopy tree in evergreen forest
Altitude range
600–2150 m.
2150
600
Distribution
Mozambique MS Serra Zuira, Tsetserra, road to Chimoio (Vila Pery), fr. 2.iv.1966, Torre & Correia 15607 (LISC).Malawi S Ntcheu Distr., Chirobwe Mt., male fl. 22.v.1961, Chapman 1326 (FHO; K; LISC; MAL).Malawi C Chirobwe Mt., st. 28.xi.1983, F. Dowsett-Lemaire 314 (FHO).Mozambique N Ribáuè, Serra de Chinga, male fl. & fr. immat. 12.xii.1967, Torre & Correia 16490 (LISC).Malawi N Rumphi, Nyika Nat. Park, Kaziyula Forest, male fl. 6.iv.1981, Salubeni & Tawakali 2986 (MAL; MO; SRGH).Zimbabwe E Stapleford, Mt. Nuza, fr. i.1950, Goldsmith 8/50 in GHS 26755 (FHO; K; SRGH).Zambia E Nyika Plateau, st. 30.x.1958, Robson & Angus 477 (BM; K; LISC).
Distribution (external)
Uganda
Kenya
Tanzania
Zaire (Oriental, Kivu)
Rwanda
Burundi
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
Neoboutonia macrocalyx Pax [family EUPHORBIACEAE], in Bot. Jahrb. Syst. 30: 339 (1901). —Prain in F.T.A. 6, 1: 919 (1912). —Pax in Engler, Pflanzenr. [IV, fam. 147, vii] 63: 72, t. 10 (1914). —Engler, Pflanzenw. Afrikas (Veg. Erde 9) 3, 2: 67, t. 26 (1921). —Robyns & Tournay, Fl. Sperm. Parc Nat. Alb. 1: 451 (1948). —Brenan, Check-list For. Trees Shrubs Tang. Terr.: 221 (1949). —Eggeling & Dale, Indig. Trees Uganda, ed. 2: 135 (1952). —F.W. Andrews, Fl. Pl. Anglo-Egypt. Sudan 2: 88 (1982). —Dale & Greenway, Kenya Trees & Shrubs: 210 (1961). —Troupin, Fl. Pl. Lign. Rwanda. 266, fig. 91/2 (1982); in Fl. Rwanda 2: 233, fig. 69/2 (1983). —Radcliffe-Smith in F.T.E.A., Euphorb. 1: 232 (1987). —Beentje, Kenya Trees, Shrubs Lianas: 215 (1994). Type from Tanzania (Southern Highlands Province).
Information
An open-crowned tree 10–20(40) m in height, with a straight clear bole.Bark smooth, pale.Branches brittle.Twigs and petioles scurfily stellate-pubescent.Petioles 5–15 cm long.Leaf blade 10–30 × 10–25 cm, broadly ovate-suborbicular, shortly acutely acuminate at the apex, deeply cordate at the base, usually entire, occasionally shallowly denticulate, sparingly scurfily stellate-pubescent on the nerves on the upper and lower surfaces, otherwise ± glabrous and minutely gland-dotted beneath; main nerves 7–9(11) from the base, lateral nerves in 5–7 pairs.Stipules 0.7–1 × 0.7–1.5 cm, ovate, densely pubescent.Male inflorescences 20–30 × 20 cm, often leafy at the base; axes pubescent; bracts 1–2 mm long, ovate, 1–4-flowered.Male flowers: pedicels 2–3 mm long, ± glabrous; buds ovoid, pubescent; calyx lobes 2.5–3 mm long, broadly ovate, cream-coloured; disk glands 10, 0.3 mm long, cylindric; stamens 30–40, 2–3 mm long, anthers 1.3 mm long, pale yellow.Female inflorescences few-branched, up to 20 cm long and wide; bracts 4 mm long, 1-flowered; otherwise as in the male.Female flowers: pedicels stout, up to 8 mm long, pubescent; calyx lobes 3 mm long, accrescent to 5(9) mm in fruit, linear-lanceolate, 3-nerved, thick, reflexed, velutinous; disk shallowly 5-lobed; ovary 2 mm in diameter, 3-lobed, densely stellate-pubescent; styles 2 mm long, pubescent abaxially.Fruits 1–1.2 × 1.2–1.3 cm evenly scurfily stellate-tomentose.Seeds 7 × 5 mm, ellipsoid, dark brown-mottled; caruncle appressed, 2-lobed.
Habitat
Locally common subcanopy tree in evergreen forest
Altitude range
600–2150 m.
2150
600
Distribution
Mozambique MS Serra Zuira, Tsetserra, road to Chimoio (Vila Pery), fr. 2.iv.1966, Torre & Correia 15607 (LISC).Malawi S Ntcheu Distr., Chirobwe Mt., male fl. 22.v.1961, Chapman 1326 (FHO; K; LISC; MAL).Malawi C Chirobwe Mt., st. 28.xi.1983, F. Dowsett-Lemaire 314 (FHO).Mozambique N Ribáuè, Serra de Chinga, male fl. & fr. immat. 12.xii.1967, Torre & Correia 16490 (LISC).Malawi N Rumphi, Nyika Nat. Park, Kaziyula Forest, male fl. 6.iv.1981, Salubeni & Tawakali 2986 (MAL; MO; SRGH).Zimbabwe E Stapleford, Mt. Nuza, fr. i.1950, Goldsmith 8/50 in GHS 26755 (FHO; K; SRGH).Zambia E Nyika Plateau, st. 30.x.1958, Robson & Angus 477 (BM; K; LISC).
Distribution (external)
Uganda
Kenya
Tanzania
Zaire (Oriental, Kivu)
Rwanda
Burundi
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
Neoboutonia macrocalyx Pax [family EUPHORBIACEAE], in Bot. Jahrb. Syst. 30: 339 (1901). —Prain in F.T.A. 6, 1: 919 (1912). —Pax in Engler, Pflanzenr. [IV, fam. 147, vii] 63: 72, t. 10 (1914). —Engler, Pflanzenw. Afrikas (Veg. Erde 9) 3, 2: 67, t. 26 (1921). —Robyns & Tournay, Fl. Sperm. Parc Nat. Alb. 1: 451 (1948). —Brenan, Check-list For. Trees Shrubs Tang. Terr.: 221 (1949). —Eggeling & Dale, Indig. Trees Uganda, ed. 2: 135 (1952). —F.W. Andrews, Fl. Pl. Anglo-Egypt. Sudan 2: 88 (1982). —Dale & Greenway, Kenya Trees & Shrubs: 210 (1961). —Troupin, Fl. Pl. Lign. Rwanda. 266, fig. 91/2 (1982); in Fl. Rwanda 2: 233, fig. 69/2 (1983). —Radcliffe-Smith in F.T.E.A., Euphorb. 1: 232 (1987). —Beentje, Kenya Trees, Shrubs Lianas: 215 (1994). Type from Tanzania (Southern Highlands Province).
Information
An open-crowned tree 10–20(40) m in height, with a straight clear bole.Bark smooth, pale.Branches brittle.Twigs and petioles scurfily stellate-pubescent.Petioles 5–15 cm long.Leaf blade 10–30 × 10–25 cm, broadly ovate-suborbicular, shortly acutely acuminate at the apex, deeply cordate at the base, usually entire, occasionally shallowly denticulate, sparingly scurfily stellate-pubescent on the nerves on the upper and lower surfaces, otherwise ± glabrous and minutely gland-dotted beneath; main nerves 7–9(11) from the base, lateral nerves in 5–7 pairs.Stipules 0.7–1 × 0.7–1.5 cm, ovate, densely pubescent.Male inflorescences 20–30 × 20 cm, often leafy at the base; axes pubescent; bracts 1–2 mm long, ovate, 1–4-flowered.Male flowers: pedicels 2–3 mm long, ± glabrous; buds ovoid, pubescent; calyx lobes 2.5–3 mm long, broadly ovate, cream-coloured; disk glands 10, 0.3 mm long, cylindric; stamens 30–40, 2–3 mm long, anthers 1.3 mm long, pale yellow.Female inflorescences few-branched, up to 20 cm long and wide; bracts 4 mm long, 1-flowered; otherwise as in the male.Female flowers: pedicels stout, up to 8 mm long, pubescent; calyx lobes 3 mm long, accrescent to 5(9) mm in fruit, linear-lanceolate, 3-nerved, thick, reflexed, velutinous; disk shallowly 5-lobed; ovary 2 mm in diameter, 3-lobed, densely stellate-pubescent; styles 2 mm long, pubescent abaxially.Fruits 1–1.2 × 1.2–1.3 cm evenly scurfily stellate-tomentose.Seeds 7 × 5 mm, ellipsoid, dark brown-mottled; caruncle appressed, 2-lobed.
Habitat
Locally common subcanopy tree in evergreen forest
Altitude range
600–2150 m.
2150
600
Distribution
Mozambique MS Serra Zuira, Tsetserra, road to Chimoio (Vila Pery), fr. 2.iv.1966, Torre & Correia 15607 (LISC).Malawi S Ntcheu Distr., Chirobwe Mt., male fl. 22.v.1961, Chapman 1326 (FHO; K; LISC; MAL).Malawi C Chirobwe Mt., st. 28.xi.1983, F. Dowsett-Lemaire 314 (FHO).Mozambique N Ribáuè, Serra de Chinga, male fl. & fr. immat. 12.xii.1967, Torre & Correia 16490 (LISC).Malawi N Rumphi, Nyika Nat. Park, Kaziyula Forest, male fl. 6.iv.1981, Salubeni & Tawakali 2986 (MAL; MO; SRGH).Zimbabwe E Stapleford, Mt. Nuza, fr. i.1950, Goldsmith 8/50 in GHS 26755 (FHO; K; SRGH).Zambia E Nyika Plateau, st. 30.x.1958, Robson & Angus 477 (BM; K; LISC).
Distribution (external)
Uganda
Kenya
Tanzania
Zaire (Oriental, Kivu)
Rwanda
Burundi
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