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Stereospermum kunthianum

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Name

Identification
Stereospermum kunthianum Cham. [family BIGNONIACEAE ]
Related name
  • Stereospermum kunthianum

Flora

Entry for Stereospermum kunthianum Cham. [family BIGNONIACEAE]
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, (2006) Author: SALLY BIDGOOD, BERNARD VERDCOURT & KAJ VOLLESEN
Names
Stereospermum kunthianum Cham. [family BIGNONIACEAE], in Linnaea 7: 721 (1832); K. Schum. in E. & P., Pf. 4(3b): 242 (1895) & in P.O.A. C: 364 (1895); Sprague in F.T.A. 4(2): 518 (1906); T.T.C.L.: 73 (1949); I.T.U ed. 2: 42, col. pl. 2, fig. 9 (1952); K.T.S.: 66 (1961); F.F.N.R.: 379 (1962); Heine in F.W.T.A. ed. 2, 2: 386 (1963); Liben in F.A.C., Bignon.: 14 (1977); Palgrave, Trees S. Afr.: 832 (1981); Diniz in F.Z. 8(3): 77, t. 15 (1988); K.T.S.L.: 593, fig., map (1994). Type: Senegal, ex Herb. Kunth., possibly Perrottet 499 (?LE, holo.; G!, iso.)
Bignonia lanata Fresen. [family BIGNONIACEAE], in Flora 21: 607 (1838). Type: Ethiopia, Salt s.n. (BM, syn.); Ruppell s.n. (FR, syn.)
Bignonia discolor R.Br. [family BIGNONIACEAE], in Salt, Append.: 94 (1814) nomen nudum, based on a Salt specimen from Ethiopia
Stereospermum dentatum A.Rich. [family BIGNONIACEAE], Tent. F1. Abys. 2: 58 (1851); K. Schum. in E.& P. Pf. 4 (3b): 242, fig. 92/H–K (1895) & in P.O.A. C: 364 (1895). Type: Ethiopia, Adua, Mt Scholoda, Schimper I.308 (P, syn.; K!, isosyn.) & Selleuda, Schimper II. 808 (P, syn.)
Stereospermum integrifolium A.Rich. [family BIGNONIACEAE], Tent. Fl. Abys. 2 59 (1851); K. Schum. in E. & P. Pf. 4 (3b): 242 (1895)& in P.O.A.C: 364 (1895). Type: Ethiopia, Shire, Aderbati, Quartin Dillon & Petit s.n. (P, holo.)
Dolichandrone smithii Bak. [family BIGNONIACEAE], in K.B. 1894: 30 (1894). Type: Tanzania, Kilimanjaro, C.S. Smith s.n. (K!, holo.)
Stereospermum molle K.Schum. [family BIGNONIACEAE], in E.& P. Pf. 4 (3b): 242 (1895). Type: Sudan, Mittu lands on White Nile, collector not stated but must be Schweinfurth (B, syn.) (several numbers at K could be syntypes)
Stereospermum discolor K.Schum. [family BIGNONIACEAE], in E. & P. Pf. 4 (3b): 242 (1895), nomen (based on Bignonia discolor R. Br.)
Stereospermum kunthianum (A.Rich.) Fiori var. dentatum [family BIGNONIACEAE], Bochie Piantae Legnosae dell’ Eritrea: 341 (1912)
Information
Erect shrub or small tree 2–20 m tall, glabrous to tomentose, overall indumentum without glands, bark grey to whitish, rarely dark brown, smooth and flaking in plaques; young branches smooth or striate, frequently lenticellate, glabrous to tomentellous. Leaves (7–)9–43 cm long including petiole (0.7–)1.5–9(–10) cm, rachis slightly striate or grooved, frequently lenticellate, hairs not glandular; leaflets rotund to elliptic or narrowly elliptic, occasionally obovate, (2.5–)3–17.5≈(1.2–)2–5.7(–10.5) cm; terminal leaflet usually larger, apex retuse to cuspidate, sometimes unequal, base rounded to cuneate, frequently unequal, margins entire or crenulate-sinuate, occasionally crenate or serrate, hairs occasionally confined to veins and midrib, secondary venation reticulate, lower surface usually with fine gland dots throughout and large scattered glands either side of the midrib towards the base. Inflorescence up to 48 cm long including peduncle, most parts including calyx frequently with long white hairs when young, glabrous or pubescent to tomentose, sometimes lenticellate, pedicels frequently with small glands just below the calyx. Flowers fragrant, often precocious, bracts 3–4≈0.5–0.7 mm, corolla falling off soon. Calyx (4–)5–10(–12) mm long, campanulate, truncate with sinuate margins, or lobes broadly triangular to obtuse, up to 3 mm long, frequently with small mealy glands, usually with larger scattered peltate glands towards the apex, occasionally viscid. Corolla pinkish-white, reddish-pink, pale lilac to purple, usually with darker lines into throat, (2.3–)3–6(–6.5) cm long, lobes ± 1/3 the length of the tube, broadly ovate, margins undulate, densely pubescent outside and on the palate, with glandular hairs in the lower part of the tube inside. Stamens: filaments of anticous stamens 1–1.5 cm long and of posticous 0.7–1.2 cm long, glabrous, glandular-pubescent at base; thecae ± 2 mm long. Pistil with cupular disk at base, slightly lobed. Fruit 15–60 cm long, glabrous or puberulous, finely lenticellate, often with scattered peltate glands. Seeds 5≈3≈3 mm, wings 6–7≈2–3 mm. Fig. 9, p. 39.
Range
DISTR. U 1–4; K 2–5, 7; T 1–8 widespread in tropical Africa
Altitude range
20–2050 m
Distribution
UGANDA Lango District near Aloro, Jan. 1931, Brasnett F.D. 53!UGANDA Toro District N Ruwenzori Forest Reserve on Fort Portal to Semliki valley road, before Buranga Falls, 16 Jan. 1937, D. Wood 839!UGANDA Busoga District Bugabula area, about 5 km S of Mulima on Lake Kyoga, Jan. 1931, Brasnett F.D. 54!KENYA Turkana District about 8 km from Moroto turn-off on road to Lodwar, 9 Oct. 1952, Verdcourt 801!KENYA Trans-Nzoia District Kitale to Kapenguria, 3 Feb. 1947, Bogdan 265!KENYA Meru District track from Kieiga Forest to Ruiri School, S of Thuuri Forest, 25 June 1974, R.B. & A.J. Faden 74/879!TANZANIA Shinyanga District Mantini Hills, Ngaramhuri Rocks, Sept. 1935, B.D. Burtt 5301!TANZANIA Pangani District Bushiri, 25 Nov. 1950, (fl) & 20 Jan. 1951 (fr.) Faulkner 701!TANZANIA Lindi District Lindi–Mtwara road, near Ruhokwe Village, 24 Oct. 1978, Magogo & Rose Innes 414!
Notes
Holst 2229 (K!) (Tanzania, Usambara foothills, Magila is labelled S. kunthianum var. fulva K.Schum. but this name does not appear to have been published. Steudel, Nomencl. ed. 2 1: 205 (1840) lists Bignonia lanata R.Br. in Salt, Append. but it is not mentioned there.

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