Ceropegia (sect. Chamaesiphon) Huber 1957

Autor: Heiduk, Annemarie, Crouch, Neil R., Styles, David G. A.
Rok vydání: 2023
Předmět:
DOI: 10.5281/zenodo.7805453
Popis: The following key distinguishes the 10 brood-site mimicking species of Ceropegia sect. Chamaesiphon which occur in KwaZulu-Natal and may be confused with C. gilboaensis: 1. Stems prostrate...................................................................................................................................................................................2 - Stems sub-erect to erect......................................................................................................................................................................6 2. Flowers flat or shallowly campanulate, fused portion of corolla ±1/3 or less...................................................................................3 - Flowers steep cylindrical-campanulate, fused portion of corolla ±1/2..............................................................................................4 3. Corolla flat or shallowly saucer-shaped, glabrous..............................................................................................................................5 - Corolla campanulate, with white trichomes on upper surface............................................................................................. C. remota 4. Corolla lobe bases purple mottled, distinctly fluted, mouth 5-star-shaped, corona lobes not covering the style head.. C. ngomensis - Corolla lobe bases with broken, transverse, burgundy bands, mouth not 5-star shaped, corona lobes covering style head....................................................................................................................................................................................................... C. gilboaensis 5. Corolla flat, less than ± 12 mm in diameter................................................................................................................... C. pulchellior - Corolla shallowly saucer-shaped, 17–20 mm in diameter..................................................................................................... C. coddii 6. Corolla glabrous.......................................................................................................................................................... C. modestantha - Corolla papillate or with trichomes on upper surface........................................................................................................................7 7. Corolla bowl-shaped, fused portion of corolla ±1/2...................................................................................................... C. chlorozona - Corolla (shallowly) campanulate, fused portion of corolla ±1/3 or less............................................................................................8 8. Leaves narrowly elliptic-lanceolate, trichomes on upper corolla surface......................................................................... C. australis - Leaves ovate to elliptic to lanceolate, with or without trichomes on corolla lobe margins...............................................................9 9. Flowers 2–several, corolla papillate, rugose........................................................................................................................ C. perdita - Flowers solitary, corolla margins with long trichomes, tubers finger-like, irregularly shaped...................................... C. petrophila
Published as part of Heiduk, Annemarie, Crouch, Neil R. & Styles, David G. A., 2023, Ceropegia gilboaensis (Apocynaceae), a new species from the Midlands of KwaZulu-Natal, South Africa, pp. 125-136 in Phytotaxa 591 (2) on page 134, DOI: 10.11646/phytotaxa.591.2.4, http://zenodo.org/record/7797469
Databáze: OpenAIRE