Home | > | List of families | > | Euphorbiaceae | > | Euphorbia | > | crotonoides |
Synonyms: |
Euphorbia holstii Pax var. hebecarpa Pax Euphorbia systyloides Pax var. hebecarpa (Pax) N.E. Br. |
Common names: | |
Frequency: | |
Status: | Native |
Description: |
Much-branched annual herb, up to 1 m high or more. All parts with long spreading white hairs. Stems often woody near the base; branches longitudinally ridged or winged. Leaves reflexed; ovate to ovate-lanceolate, 3-9 cm long, base tapering into a winged petiole up to 2.5 cm long; midrib winged beneath; margin serrate with gland-tipped, often reddish teeth. Stipules glandular, dark red. Cymes in axillary, 3-branched umbels, forking many times; primary rays up to 10 cm long. Cyathia subsessile 2.5 × 3.5 mm, with cup-shaped involucres; glands 4, transversely elliptic, yellow to red. Female flowers with densely woolly ovaries. Capsule subglobose c. 7 mm in diameter, shallowly grooved along the sutures, covered in long spreading hairs, borne on a slightly curved woolly pedicel up to 3 mm long. |
Notes: | |
Derivation of specific name: | crotonoides, resembling a Croton. |
Habitat: | In open woodland or in disturbed ground, usually on sandy soils. |
Altitude range: (metres) | 450 - 1250 m |
Flowering time: | |
Worldwide distribution: | Botswana, Namibia, Sudan, Ethiopia Uganda, Kenya, Tanzania, Malawi, Zambia, Zimbabwe and Limpopo, Mpumalanga, South Africa. |
Zimbabwe distribution: | N,W,C |
Growth form(s): | |
Endemic status: | |
Red data list status: | |
Insects associated with this species: | Achaea catella (Larval food plant) |
Spot characters: | Display spot characters for this species |
Images last updated: | Wednesday 22 February 2017 |
Literature: |
Carter, S. & Leach, L.C. (2001). Euphorbiaceae: subfamily Euphorbioideae: tribe Euphorbieae Flora Zambesiaca 9(5) Pages 365 - 366. Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 125. (Includes a picture). 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 41. Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 48. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 56. |
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