Entry for Orthosiphon pseudoserratus [family LAMIACEAE]
Herbarium
South African National Biodiversity Institute, Compton Herbarium, Cape Town (SAM)
Collection
Flora of Southern Africa
Resource Type
Reference Sources
Entry From
Flora of South Africa, (2003) Author: Dr J.P. Roux
Names
Orthosiphon pseudoserratus [family LAMIACEAE]
Information
Shrublet 0,3 m or more tall; stems ascending, sparingly branched, glandular-hispid. Leaves subsessile to petiolate; blade ovate to broadly elliptic, 20-40 x 12-20 mm, glandular-pubescent on both surfaces, lower surface with yellowish gland-dots, apex obtuse, base rounded, margin finely serrate; petiole 2—5 mm long. Inflorescence simple, 30—150 mm long; verticils 2—6-flowered, 7 — 20 mm apart; rhachis glandular-hispidulous; bracts ovate-lanceolate, acuminate, 3—6 mm long. Calyx 9—11 mm long at fruiting stage. Corolla whitish to mauve or pink; tube somewhat decurved, widening towards the throat, 5—7 mm long; upper lip erect, 3—4 mm long; lower lip boat-shaped, 5—6 mm long. Stamens exserted from the throat by 7—8 mm; upper 2 filaments attached near the base of the tube, slightly thickened and pubescent below. Stigma not thickened, minutely bilobed.
Use
7. Orthosiphon pseudoserratus Ashby in J. Bot., Lond. 76: 8 (1938); Codd in Bothalia 8: 156 (1964); in Flower. PI. Afr. 42: t.1657 (1973). Type: Transvaal, Pot-gietersrus district, Moorddrift, Leendertz 2243 (BM, holo.; PRE!).
Range
Apparently restricted to the Potgietersrus district in Transvaal; on rocky, wooded slopes at medium altitudes. Map 133.