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Compilation
Ipomoea holubii

2 Images see all

Type of Ipomoea rhodesiana Rendle [family CONVOLVULACEAE]
Turbina holubii (Baker) A.Meeuse [family CONVOLVULACEAE]
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Name

Identification
Ipomoea holubii Baker [family CONVOLVULACEAE ] Turbina holubii (Baker) A.Meeuse [family CONVOLVULACEAE ] (stored under name); Verified by Maria Leonor Gonçalves,
Related name
  • Ipomoea holubii
  • Turbina holubii

Flora

Entry for Ipomoea holubii [family CONVOLVULACEAE]
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
Ipomoea holubii [family CONVOLVULACEAE]
Common names
Rivea holubii (Baker) Hallier f.: 25 (1910). Type as above. Turbina holubii (Baker) A.Meeuse: 780 (1957a); A.Meeuse: t. 1271 (1958b); A.Fabian & Germish.: 336, t. 160e (1997); Retief & P.P.J.Herman: 387 (1997). Type as above.
Information
Much-branched shrub up to 2.5 m high. Stems woody, many from base, covered with a light grey bark, sinuous, tips decumbent or climbing. Leaves deciduous, ovate-cordate to orbicular-cordate, 10-80 x 7.5-50.0 mm, entire, often folded along midrib, apex obtuse or sub­acute, deflexed, base mostly widely cordate, sericeous to tomentose on both surfaces, more densely so beneath; petiole pubescent, 4-25 mm long. Inflorescence axillary, 1-5-flowered, sometimes forming a kind of leafy panicle at tips of branches; peduncle 25-90 mm long, hairy; pedicels 8-30 mm long, hairy; bracteoles hairy, 2.5-15.0 mm long, often numerous and forming a kind of involucre at base of cyme and then one bracteole foliaceous and up to 40 x 20 mm. Calyx 6-16 mm long, usually greyish pubescent to tomentose, unequal, elliptic to obovate-spathulate, outer sepals smaller than inner ones, all accrescent in fruit, then glabres­cent and brown. Corolla funnel-shaped, 40-50 mm long, pale mauve or pinkish with magenta centre, limb spreading horizontally up to ± 60 mm wide; midpetaline areas strigose outside. Capsule with thin leathery pericarp, ellipsoid, apiculate, 8-10 mm long. Seed single, ellipsoid, ± 7 mm long, glabrous, light brown. Flowering time November to May.
Habitat
Distinguished by its shrubby habit, its often folded deciduous leaves and greyish, elliptic to obovate-spathulate sepals.
Use
52. Ipomoea holubii Baker in Kew Bulletin 1894: 72 (1894); Baker & Rendle: 188 (1905-06); A.Meeuse & W.G.Welman: 47 (1996). Type: Botswana, Leshumo Valley, Ho-lub 512 (K, hole).
Range
Occurs in Malawi, Zambia, Zimbabwe, Mozambique, Namibia, Botswana and mainly the Northern Province. Grows in bushveld and grassland, also along roadsides and often on rocky soil. Map 71.

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