Home | > | List of families | > | Apocynaceae subfamilies Asclepiadoideae and Secamonoideae | > | Asclepias | > | graminifolia |
Synonyms: |
Pachycarpus graminifolius Wild Trachycalymma graminifolium (Wild) Goyder |
Common names: | |
Frequency: | Local |
Status: | Native |
Description: |
Erect perennial with annual stems, up to 60 cm tall. Stem with milky sap, simple or branched, minutely pubescent with white spreading hairs. Leaves opposite, very shortly petiolate, linear, 8-16 cm long with prominent veins and white spreading hairs above and on the midrib below; margin entire, softly pubescent. Flowers in extra-axillary, 3-6-flowered, nodding umbels. Corolla dull purple with paler margins, sparsely pubescent towards the apex outside, hairless on the inside. Corona lobes spreading, channelled along most of the length and the tip slightly turned up, white, sometimes with purple sides, without a tooth in the cavity; upper margins densely papillate. Fruit a single follicle, narrowly ovoid, up to c. 6 × 1 cm (possibly larger), erect on a contorted pedicel, smooth, densely pubescent. |
Notes: | |
Derivation of specific name: | graminifolia: with grass-like leaves. |
Habitat: | On rocky ground in quartzite grasslands. |
Altitude range: (metres) | 1700 - 2200 m |
Flowering time: | |
Worldwide distribution: | Chimanimani Mountains, Zimbabwe and Mozambique. |
Zimbabwe distribution: | E |
Growth form(s): | |
Endemic status: | Near Endemic |
Red data list status: | Lower Risk - near threatened |
Insects associated with this species: | |
Spot characters: | Display spot characters for this species |
Images last updated: | Saturday 22 November 2014 |
Literature: |
Darbyshire, I., Timberlake, J., Osborne, J., Rokni, S., Matimele, H., Langa. C., Datizua, C., de Sousa, C., Alves, T., Massingue, A., Hadj-Hammou, J., Dhanda, S., Shah, T., Wursten, B. (2019). The endemic plants of Mozambique: diversity and conservation status Phytotaxa 136 Page 80. Golding, J.S. (ed.) (2002). Zimbabwe Plant Red Data List. Southern African Plant Red Data Lists. SABONET 14 Page 171. as Trachycalymma graminifolius Goyder, D.J. (2001). A revision of the tropical African genus Trachycalymma (K. Schum.) Bullock Kew Bulletin 56 Pages 141 - 144. (Includes a picture). Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Apocynaceae (Part 2) Flora Zambesiaca 7(2) Pages 269 - 270. Mapaura, A. (2002). Endemic Plant Species of Zimbabwe. Kirkia 18(1) Page 133. as Trachycalymma graminifolius Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 22. as Trachycalymma graminifolium Wild, H. (1964). The endemic species of the Chimanimani Mountains and their significance Kirkia 4 Page 148. Protologue as Pachycarpus graminifolius Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 88. |
Home | > | List of families | > | Apocynaceae subfamilies Asclepiadoideae and Secamonoideae | > | Asclepias | > | graminifolia |