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Striga forbesii Benth. [family SCROPHULARIACEAE]

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, (2008) Author: S.A. GHAZANFAR, F.N. HEPPER & D. PHILCOX
Names
Striga forbesii Benth. [family SCROPHULARIACEAE], in Hook., Comp. Bot. Mag. 1: 364 (1836) & in DC., Prodr. 10: 503 (1846); Klotzsch in Peters, Reise Mossamb. Bot.: 227 (1862); Engl. in P.O.A. C: 361 (1895), excl. syn.; Hiern in Cat. Afr. Pl. Welw. 1: 780 (1898) & in Dyer, Fl. Cap. 4, 2: 384 (1904); Skan in F.T.A. 4(2): 410 (1906); U.O.P.Z.: 456 (1949); F.P.S. 3: 146 (1956); F.P.U.: 135, fig. 79 (1962); Hepper in F.W.T.A. ed. 2, 2: 371 (1963) & in Proc. Third Symp. Parasitic Pl.: 264 (1984); Musselman & Hepper in K.B. 41: 213, fig. 4C (1986); U.K.W.F.: 261, pl. 113 (1994); Mohamed et al. in Ann. Miss. Bot. Gard. 88: 78 (2001); Mohammed & Musselman in Thulin (ed.), Fl. Somal.: 3: 288 (2006); Fischer in Fl. Ethiop. & Eritr. 5: 295 (2006). Type: Mozambique, without locality, Forbes s.n. (K!, holo.) Buchnera forbesii (Benth.) D.Dietr. [family SCROPHULARIACEAE], Syn. Pl. 3: 526 (1843) Cycnium pratense Engl. [family SCROPHULARIACEAE], in P.O.A. C: 301 (1895). Type: Tanzania, Usambara Mts, Lutindi, Holst 3269 (B†, holo.)
Information
Stiffly erect annual, dark green, up to 75 cm high, but usually much shorter; stems simple to sparsely branched, young parts glandular-pubescent, becoming scabrous with age. Leaves opposite, sessile, lanceolate, (1–)2–4(–7) cm long, 3–7(–10) mm wide, acute to obtuse, margins coarsely toothed, each tooth the termination of one of the secondary veins, margins recurved, scabrid-pubescent, 3-veined. Flowers opposite to alternate, in open racemes; bracts leaf-like, seldom more than 2 cm long; bracteoles linear, shorter than the calyx. Calyx 10-ribbed, tube 5–9 mm long, lobes lanceolate, as long as tube, veins scabrid hairy. Corolla salmon pink, no obvious scent; tube ± 2 cm long, bent near top, glandular-pubescent; middle lower lobe obovate, 7–9(–13) mm long, 4–7(–11) mm wide, upper lobes smaller, emarginate. Capsule oblong, flattened, shorter than calyx-tube, rounded at apex.
Range
DISTR. U 1–4; K 3, 4, 6, 7; T 1, 3, 4, 6–8; Z; P widespread in tropical Africa; Madagascar
Altitude range
10–1700 m
Distribution
KENYA Nandi District Kaimosi, near Yala Bridge, 3 June 1933, Gilbert Rogers 709!KENYA Masai District Mara Plains, 15 Sept. 1960, R.M. Stewart 327!KENYA Tana River District Wema, 15 July 1972, Gilbert & Kibuwa 19932!TANZANIA Tanga District Kange Estate, near Mawmi, 14 Dec. 1965, Faulkner 3271!TANZANIA Mpanda District Tumba, 7 Mar. 1951, Bullock 3748!TANZANIA Morogoro District 10 Apr. 1925, Ritchie 3!TANZANIA Zanzibar Masingini, 5 Oct. 1931, Vaughan 1613!UGANDA Karamoja District Nonyili Ridge, Mar. 1960, J. Wilson 880!UGANDA Teso District Serere, Dec. 1931, Chandler 383!UGANDA Mengo District Busana Bugerere, Apr. 1930, Liebenberg 1532!
Notes
USES. None recorded on specimens from our area. CONSERVATION Least Concern (LC); common and widespread
Striga forbesii Benth. [family SCROPHULARIACEAE]
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