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Compilation
Chadara arborea

3 Images see all

Type of Chadara arborea Forssk. [family TILIACEAE]
Holotype of Chadara arborea Forssk. [family TILIACEAE]
Grewia arborea Lam. [family TILIACEAE]
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Name

Identification
Chadara arborea Forssk. [family TILIACEAE ] Grewia arborea (Forssk.) Lam. [family TILIACEAE ] (stored under name); Verified by Frank Nigel Hepper,
Related name
  • Chadara arborea
  • Grewia arborea
  • Grewia dubia

Flora

Entry for GREWIA arborea (Forssk.) Lam. [family TILIACEAE]
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, (2001) Author: C. WHITEHOUSE, M. CHEEK, S. ANDREWS & B. VERDCOURT
Names
GREWIA arborea (Forssk.) Lam. [family TILIACEAE], Encycl. Méth. Bot. 3: 45 (1789); J.R.I. Wood in K.B. 39: 137 (1984); Hepper & Friis, Pl. Pehr Forssk. Fl. Aegypt.-Arab.: 236 (1994); Sebsebe in Fl. Eth. 2(2): 146 (1995). Types: Yemen, Wasab [Uahfad], Forsskål 490 (C, syn.) & Forsskål s.n. (BM, syn.)
Chadara arborea Forssk. [family TILIACEAE], Fl. Aegypt.-Arab.: CXIV, 105 (1775)
Grewia excelsa Vahl [family TILIACEAE], Symb. Bot. 1: 35 (1790), nom. illegit . Type as for G. arborea
Grewia fallax K. Schum. [family TILIACEAE], in E.J. 15: 116 (1892) & in P.O.A. C: 264 (1895); T.T.C.L.: 620 (1949); K.T.S.: 565, fig. 103/f13 (1961); K.T.S.L.: 154, fig. f13 on 152, map (1994). Type: Tanzania, Mwanza District, Kayenzi [Kagehi], Fischer 54 (B†, holo., K!, iso.)
Grewia rhytidophylla K. Schum. [family TILIACEAE], in E.J. 15: 122 (1892) & in P.O.A. C: 264 (1895). Type: Tanzania, Singida/Dodoma District, between Saranda [Salanda] and Ussure [Ussule], Fischer 60 (B†, holo., K!, iso.)
Grewia dubia Deflers [family TILIACEAE], in Bull. Soc. Bot. Fr. 42: 300 (1895). Type: Yemen, Bilad Hodjeria, Jebel Masana, Deflers 601 (P, holo., K!, iso.)
Grewia brachyclada Burret [family TILIACEAE], in E.J. 45: 184 (1910); T.T.C.L.: 619 (1949). Types: Tanzania, Pare Mts, between Kisiwani [Kisuani] and Maji ya Juu [Madji-ja-juu], Engler 1574 (B†, syn.) & between Gonja and Kisiwani [Kisuani], Engler 1561 (B†, syn.)
Information
Shrub or small tree to 9 m tall; young stems glabrescent to ferruginous-pubescent, sometimes ± villous. Leaves ovate, oblong or obovate-oblong, 1.8–14 cm long, 1–7.4 cm wide, ± truncate to obtuse at the apex, rarely acute or shortly acuminate, obliquely asymmetric at the base, margins shallowly dentate to ± entire, ± glabrous and shiny green above, whitish tomentellous beneath with veins sometimes less densely so and brownish; petiole 3–8 mm long. Inflorescence a 1–3-flowered cyme, 1–3 in a leaf-axil, densely pubescent becoming glabrous, sometimes covered with long ferruginous hairs; peduncle 2–13 mm long; pedicels 5–13 mm long. Flowers yellow; sepals 11–16 mm long, yellow inside, sometimes reddish outside; petals 4–10 mm long, oblong-ovate and notched at the apex to broadly ovate and acute or ± subcircular. Androgynophore glabrous for ± 2.5 mm at the base, densely pubescent and produced up to 1.5 mm above the node; stamens 4–8 mm long; ovary 2–3 mm long, densely hairy; style 6–8 mm long. Fruit 2-lobed, or unlobed by abortion, the lobes 7–15 mm long, 7–15 mm wide, shortly stellate-pubescent becoming glabrescent, maturing orange-red. Fig. 8 (p. 54).
Range
DISTR. U 1; K 1, 2, 4, 6, 7; T 1–6
Altitude range
450–1700 m
Distribution
KENYA Northern Frontier Province E Mt Kulal, El Kajarta [Kajata] Gorge, 28 Dec. 1978, Synnott 1770!KENYA Turkana District Lokitaung, 23 May 1953, Padwa 204!KENYA Teita District 15 km NW of Voi, 5 km along track to Mt Mbololo, 12 Feb. 1996, Goyder et al. 4016!TANZANIA Musoma District Orangi R., valley opposite Kilimafedha Mine, 10 Feb. 1967, Braun 140!TANZANIA Pare District Kisiwani [Kisuani], 5 Feb. 1930, Greenway 2156!TANZANIA Morogoro District Morogoro Fuel Reserve, Nov. 1954, Semsei 1872!UGANDA Karamoja District Turkana Escarpment, May 1960, J. Wilson 1022!
Distribution (external)
; Ethiopia
Somalia
Yemen
Notes
G. brachyclada has up until now been kept separate on account of its shorter peduncle and pedicels and a sessile ovary on the androgynophore, but these are quite variable characters in the genus as a whole. The description only gives leaves elliptic, ± 2×1 cm, which seem very small, but both G. arborea and G. hexamita often flower before the leaves fully develop. Without being able to see the types and as no further similar collections have been made, I feel sinking it into G. arborea seems the best course of action.

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