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Euphorbia eranthes
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Habit
Miombo woodland
Mwinilunga, Mwinilunga District
Oct 2024
Photo: Nick Wightman
Capsules
Miombo woodland
Mwinilunga, Mwinilunga District
Oct 2024
Photo: Nick Wightman
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Species details: Click on each item to see an explanation of that item (Note: opens a new window)
| Synonyms: | |
| Common names: | |
| Frequency: | Occasional |
| Status: | Native |
| Description: |
Glabrous perennial herb with annual stems from a fleshy rootstock; rootstock to c. 6 × 4 cm, subglobose or ovoid; stems subfleshy, leaf-bearing or flowering, to 15 cm high, flowering separately from the leaves. Leaves sessile; stipules minute, subulate, quickly deciduous; lamina subcoriaceous, to 9 × 2 cm, oblanceolate, obtuse at the apex, cuneate at the base, entire, much smaller and often scale-like on the flowering stems. Cymes in terminal 2–3-branched umbels with primary rays to 3 cm long, each forking up to 4 times. Cyathia on peduncles to 8 mm long, 5 × 9 mm, with cup-shaped involucres; glands 5, spreading, 1.5 × 2.5–3 mm, transversely elliptic, outer margin crenulate; lobes 1.5 × 3–4 mm, transversely rectangular, margin shortly toothed and minutely ciliolate. Male flowers many: bracteoles laciniate with feathery apices; stamens 5.5 mm long. Female flower: styles 2.5 mm long, joined at the base, with widely spreading shortly bifid thickened apices. Capsule 8 × 10 mm, deeply 3-lobed; pedicel 3 mm long. Seeds 4.5 mm in diameter, globose; surface reticulately wrinkled with prominent ridges, dark brown. |
| Type location: |
Zambia, Solwezi |
| Notes: | Until recently only known from collections in Zambia but recently (2024) recorded from Tanzania and most likely to also occur in neighbouring areas of Katanga, DRC. |
| Derivation of specific name: | eranthes: Greek for ‘spring flower’, in reference to the early flowering nature of the species. |
| Habitat: | In rocky lateritic soils in open woodland, flowering shoots appearing often after annual fires |
| Altitude range: (metres) | 1220 - 1650 m |
| Flowering time: | Jul - Sep |
| Worldwide distribution: | Northwestern to northeastern Zambia and southwestern Tanzania. |
| National distribution: | N,W |
| Zambian distribution (Provinces): | Nw,Cb,N |
| Growth form(s): | Perennial. |
| Endemic status: | Near Endemic |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Images last updated: | Wednesday 8 January 2025 |
| Literature: |
Carter, S. & Leach, L.C. (2001). Euphorbiaceae: subfamily Euphorbioideae: tribe Euphorbieae Flora Zambesiaca 9(5) Page 382. |
Other sources of information about Euphorbia eranthes:
External websites:
African Plants: A Photo Guide (Senckenberg): Euphorbia eranthesBHL (Biodiversity Heritage Library): Euphorbia eranthes
EOL (Encyclopedia of Life): Euphorbia eranthes
GBIF (Global Biodiversity Information Facility): Euphorbia eranthes
Google: Web - Images - Scholar
iNaturalist: Euphorbia eranthes
IPNI (International Plant Names Index): Euphorbia eranthes
JSTOR Plant Science: Euphorbia eranthes
Mansfeld World Database of Agricultural and Horticultural Crops: Euphorbia eranthes
Plants of the World Online: Euphorbia eranthes
Tropicos: Euphorbia eranthes
Wikipedia: Euphorbia eranthes
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