Edit History
COMBRETUM umbricola Engl. [family COMBRETACEAE]
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, (1973) Author: G. E. WICKENS
Names
COMBRETUM umbricola Engl. [family COMBRETACEAE], P.O.A. C: 288 (1895) & E.M. 3: 23, t. 5/D (1899); Burtt Davy, Check-lists Brit. Emp. 1, Uganda: 36 (1935); T.T.C.L.: 138 (1949); Liben in F.C.B., Combr.: 56 (1968); Exell in Kirkia 7: 173 (1970). Type: Tanganyika, Tanga District, Doda, Holst 2965 (B, holo. †, K, iso. !)
Information
Small tree or shrub, or in East Africa a scandent shrub or liane. Leaves opposite; lamina chartaceous to subcoriaceous, elliptic to elliptic-oblong, 3–14(–16) cm. long, 2–6(–6.5) cm. wide, usually acuminate, base cuneate or obtuse to rounded, minutely verrucose and usually shiny and glabrous above, minutely silvery lepidote but otherwise glabrous beneath; lateral nerves 6–10 pairs; petiole up to 9(–13) mm. long. Inflorescence terminal and axillary panicles of spikes 2–3 cm. long, in the axils of the upper leaves. Flowers (fig. 3/6, p. 14) white, scented. Lower receptacle glabrous or pubescent; upper receptacle 1.2–1.5 mm. long and wide, not conspicuously lepidote. Sepals very shallowly triangular or little developed. Petals subreniform, 0.9 mm. long, 1.5 mm. wide, glabrous. Stamen-filaments 3–4 mm. long; anthers 0.4 mm. long. Disk inconspicuous, glabrous. Style 4–4.5 mm. long, sometimes somewhat flattened near apex. Fruit (fig. 4/6, p. 15) broadly elliptic in outline, up to 2.8 cm. long and 2.3 cm. wide, minutely lepidote, otherwise usually glabrous; wings 7 mm. wide; apical peg 1–2 mm. long;stipe ± 5–8 mm. long. Scales (fig. 1/6, p. 12) of a simple 8-celled type, 40–50(–70) μ in diameter, frequent in the areoles of the lower leaf-surface.
Range
DISTR. U2, 2/4; T3; P
Altitude range
10–50 m. and 660–1050 m.
Distribution
TANGANYIKA Tanga District Mtimbwani, 6 Dec. 1935, Greenway 4208! & Ngole, 9 June 1937, Greenway 4941 !;TANGANYIKA Pangani District Bushiri Estate, 4 June 1950, Faulkner 582!UGANDA Toro District Mpanga R., 20 June 1906, Bagshawe 1059! & Nyamwamba valley, near Kilembe, 19 Dec. 1934, G. Taylor 2519!UGANDA Toro/Mubende Districts Muzizi R., 3 Dec. 1906, Bagshawe 1330 !ZANZIBAR Pemba I. , Barraud !
Distribution (external)
; Zaire
Mozambique
Notes
Despite the distance separating the main areas of distribution, the specimens are taxonomically inseparable. It is possible that the Zaire and Uganda populations belong to what Engler (P.O.A. C: 288 (1895)) called C. olivaceum Engl. of which the type, Stuhlmann 2851 (B, holo.) from Zaire, SW. of Lake Albert, has been destroyed.
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, (1973) Author: G. E. WICKENS
Names
COMBRETUM umbricola Engl. [family COMBRETACEAE], P.O.A. C: 288 (1895) & E.M. 3: 23, t. 5/D (1899); Burtt Davy, Check-lists Brit. Emp. 1, Uganda: 36 (1935); T.T.C.L.: 138 (1949); Liben in F.C.B., Combr.: 56 (1968); Exell in Kirkia 7: 173 (1970). Type: Tanganyika, Tanga District, Doda, Holst 2965 (B, holo. †, K, iso. !)
Information
Small tree or shrub, or in East Africa a scandent shrub or liane. Leaves opposite; lamina chartaceous to subcoriaceous, elliptic to elliptic-oblong, 3–14(–16) cm. long, 2–6(–6.5) cm. wide, usually acuminate, base cuneate or obtuse to rounded, minutely verrucose and usually shiny and glabrous above, minutely silvery lepidote but otherwise glabrous beneath; lateral nerves 6–10 pairs; petiole up to 9(–13) mm. long. Inflorescence terminal and axillary panicles of spikes 2–3 cm. long, in the axils of the upper leaves. Flowers (fig. 3/6, p. 14) white, scented. Lower receptacle glabrous or pubescent; upper receptacle 1.2–1.5 mm. long and wide, not conspicuously lepidote. Sepals very shallowly triangular or little developed. Petals subreniform, 0.9 mm. long, 1.5 mm. wide, glabrous. Stamen-filaments 3–4 mm. long; anthers 0.4 mm. long. Disk inconspicuous, glabrous. Style 4–4.5 mm. long, sometimes somewhat flattened near apex. Fruit (fig. 4/6, p. 15) broadly elliptic in outline, up to 2.8 cm. long and 2.3 cm. wide, minutely lepidote, otherwise usually glabrous; wings 7 mm. wide; apical peg 1–2 mm. long;stipe ± 5–8 mm. long. Scales (fig. 1/6, p. 12) of a simple 8-celled type, 40–50(–70) μ in diameter, frequent in the areoles of the lower leaf-surface.
Range
DISTR. U2, 2/4; T3; P
Altitude range
10–50 m. and 660–1050 m.
Distribution
TANGANYIKA Tanga District Mtimbwani, 6 Dec. 1935, Greenway 4208! & Ngole, 9 June 1937, Greenway 4941 !;TANGANYIKA Pangani District Bushiri Estate, 4 June 1950, Faulkner 582!UGANDA Toro District Mpanga R., 20 June 1906, Bagshawe 1059! & Nyamwamba valley, near Kilembe, 19 Dec. 1934, G. Taylor 2519!UGANDA Toro/Mubende Districts Muzizi R., 3 Dec. 1906, Bagshawe 1330 !ZANZIBAR Pemba I. , Barraud !
Distribution (external)
; Zaire
Mozambique
Notes
Despite the distance separating the main areas of distribution, the specimens are taxonomically inseparable. It is possible that the Zaire and Uganda populations belong to what Engler (P.O.A. C: 288 (1895)) called C. olivaceum Engl. of which the type, Stuhlmann 2851 (B, holo.) from Zaire, SW. of Lake Albert, has been destroyed.
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, (1973) Author: G. E. WICKENS
Names
COMBRETUM umbricola Engl. [family COMBRETACEAE], P.O.A. C: 288 (1895) & E.M. 3: 23, t. 5/D (1899); Burtt Davy, Check-lists Brit. Emp. 1, Uganda: 36 (1935); T.T.C.L.: 138 (1949); Liben in F.C.B., Combr.: 56 (1968); Exell in Kirkia 7: 173 (1970). Type: Tanganyika, Tanga District, Doda, Holst 2965 (B, holo. †, K, iso. !)
Information
Small tree or shrub, or in East Africa a scandent shrub or liane. Leaves opposite; lamina chartaceous to subcoriaceous, elliptic to elliptic-oblong, 3–14(–16) cm. long, 2–6(–6.5) cm. wide, usually acuminate, base cuneate or obtuse to rounded, minutely verrucose and usually shiny and glabrous above, minutely silvery lepidote but otherwise glabrous beneath; lateral nerves 6–10 pairs; petiole up to 9(–13) mm. long. Inflorescence terminal and axillary panicles of spikes 2–3 cm. long, in the axils of the upper leaves. Flowers (fig. 3/6, p. 14) white, scented. Lower receptacle glabrous or pubescent; upper receptacle 1.2–1.5 mm. long and wide, not conspicuously lepidote. Sepals very shallowly triangular or little developed. Petals subreniform, 0.9 mm. long, 1.5 mm. wide, glabrous. Stamen-filaments 3–4 mm. long; anthers 0.4 mm. long. Disk inconspicuous, glabrous. Style 4–4.5 mm. long, sometimes somewhat flattened near apex. Fruit (fig. 4/6, p. 15) broadly elliptic in outline, up to 2.8 cm. long and 2.3 cm. wide, minutely lepidote, otherwise usually glabrous; wings 7 mm. wide; apical peg 1–2 mm. long;stipe ± 5–8 mm. long. Scales (fig. 1/6, p. 12) of a simple 8-celled type, 40–50(–70) μ in diameter, frequent in the areoles of the lower leaf-surface.
Range
DISTR. U2, 2/4; T3; P
Altitude range
10–50 m. and 660–1050 m.
Distribution
TANGANYIKA Tanga District Mtimbwani, 6 Dec. 1935, Greenway 4208! & Ngole, 9 June 1937, Greenway 4941 !;TANGANYIKA Pangani District Bushiri Estate, 4 June 1950, Faulkner 582!UGANDA Toro District Mpanga R., 20 June 1906, Bagshawe 1059! & Nyamwamba valley, near Kilembe, 19 Dec. 1934, G. Taylor 2519!UGANDA Toro/Mubende Districts Muzizi R., 3 Dec. 1906, Bagshawe 1330 !ZANZIBAR Pemba I. , Barraud !
Distribution (external)
; Zaire
Mozambique
Notes
Despite the distance separating the main areas of distribution, the specimens are taxonomically inseparable. It is possible that the Zaire and Uganda populations belong to what Engler (P.O.A. C: 288 (1895)) called C. olivaceum Engl. of which the type, Stuhlmann 2851 (B, holo.) from Zaire, SW. of Lake Albert, has been destroyed.
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