Compilation
Kohautia effusa

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Name

Identification
Kohautia longifolia Klotzsch [family RUBIACEAE ] (stored under name); Kohautia effusa (Oliv.) Bremek. [family RUBIACEAE ] Verified by Bremekamp, C.E.B., Oldenlandia effusa Oliv. [family RUBIACEAE ] Hedyotis parviflora Walp. [family RUBIACEAE ] Kohautia longifolia Klotzsch [family RUBIACEAE ]
Related name
  • Oldenlandia effusa
  • Kohautia effusa
  • Kohautia longifolia
  • Hedyotis parviflora

Flora

Entry for KOHAUTIA longifolia (Oliv.) Verdc. var. effusa [family RUBIACEAE]
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, (1976) Author: B. VERDCOURT
Names
KOHAUTIA longifolia (Oliv.) Verdc. var. effusa [family RUBIACEAE], in K.B. 30: 290 (1975). Type: Tanzania, Morogoro District, banks of Mgeta R., Grant (K, holo.!)
Oldenlandia effusa Oliv. [family RUBIACEAE], in Trans. Linn. Soc. 29: 84, t. 48 (1873); Hiern in F.T.A. 3: 59 (1877), pro parte
Kohautia effusa (Oliv.) Bremek. [family RUBIACEAE], in Verh. K. Nederl. Akad. Wet., Afd. Natuurk., ser. 2, 48(2): 72 (1952)
Information
Stems glabrous or scabridulous. Leaves mostly linear to linear-lanceolate. Corolla-lobes ± 2(–3) mm. long and 1.5(–2) mm. wide. Capsule glabrous.
Range
DISTR. K7; T4, 6, 8
Altitude range
15–870(–1400) m.
Distribution
KENYA Tana River District 48 km. S. of Garsen, Kurawa, 5 Oct. 1961, Polhill & Paulo 603!TANZANIA Ufipa District Lake Rukwa, Milepa, 15 June 1936, Lea 45!TANZANIA Masasi District 16 km. on Masasi-Tunduru road, 5 May 1962, Boaler 577!TANZANIA Lindi District Nachingwea, 13 Apr. 1955, Anderson 1046!
Distribution (external)
Mozambique
Malawi
Zambia
Notes
I have been unable to satisfactorily separate K. effusa at specific level; there is great variation in the width of the leaves and size of the corolla-limb, and narrow-leaved specimens do not always have flowers as small as the dimensions given by Bremekamp. The variability is particularly evident in the many specimens collected by Milne-Redhead & Taylor in the Songea District (T8). As Bremekamp points out, the type of var. effusa is a lax and weak specimen grown in a wet place. (on species as a whole). Apart from the varieties mentioned above, Bremekamp also records his var. psilogyna from Tanzania, Dar es Salaam (Stuhlmann 7775 in part). Var. psilogyna is based on Mozambique, Moribane, Dawe 490 (K, holo.!) and differs from var. vestita in having the ovary glabrous.

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