Erythrina baumii Harms

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1992
Drawing Doreen Bolnick

Flowers
Liuwa Plains N.P.
Nov 2014
Photo: Eve Hughes

Fruit
Luampa;Jun 1976
Photo: Mike Bingham

Habit
Kalahari scrubland
Kangenju area, Shangombo District
Dec 2023
Photo: Nick Wightman

Inflorescence
Kalahari scrubland
Kangenju area, Shangombo District
Dec 2023
Photo: Nick Wightman

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Synonyms:	Erythrina mendesii Torre
Common names:
Frequency:	Widespread
Status:	Native
Description:	Suffrutex with annual aerial stems arising from a woody rootstock. Stems slender, up to 70 cm tall armed with scattered recurved prickles. Leaflets densely golden-velvety when young, less dense when mature, sometimes aculeate on midvein above; terminal leaflet 6–10 × 3.5–8 cm, subrhombic to rhombic to broadly ovate or elliptic to lanceolate; lateral leaflets 6.5–9 × 4–6 cm, ovate-lanceolate to ovate or subrhombic; petiole and rhachis sometimes aculeate; petiole 6–16 cm long; rhachis 1.5–4 cm long; stipels 1–2 mm long, petiolules 3–5 mm long; stipules 5–6 mm long, ovate-lanceolate. Inflorescence erect, flowers appearing before or with young leaves; peduncle 10–20 cm long; rhachis 5–9 cm long, both densely grey tomentose; bracts linear, caducous; pedicels 2–4 mm long, densely grey tomentose; bracteoles 4–5 mm long, linear. Calyx spathaceous, 1.2–2 cm long, split ventrally almost to the base, densely white tomentose; lobes obscure, up to 3 mm long, incurved. Corolla red, glabrous; standard 3–4.8 × 1–2 cm, narrowly elliptic, elliptic or oblong-elliptic; wings 7–14 × 4–6 mm; keel petals 4–9 × 4–7 mm. Vexillary stamen free almost to the base, others united along half their length. Ovary 1.5–1.8 cm long, narrowly cylindrical, densely grey tomentose. Pod black, 5–9 × 1.4–1.6 cm, falcate, moniliform, c. 4-seeded. Seeds (fide Krukoff & Barneby) ochre, 8 × 6 mm, with a narrow black line near the hilum.
Type location:	Angola
Notes:	Conservation status: widespread, probably Least Concern
Derivation of specific name:
Habitat:	Dry beds of seasonal rivers, moist depressions in mixed woodland, and in grassland and wooded grassland on Kalahari Sand.
Altitude range:	900 - 1000 m
Flowering time:
Worldwide distribution:	Zambia,Botswana, Namibia, Angola, and Dem. Rep. Congo
Zambian distribution (Flora Zambesiaca):	B
Zambian distribution (Provinces):	Nw,W
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Content last updated:	Thursday 4 April 2024
Literature:	Hennessy, E. (1972). South African Erythrinas: 28, t. 10. Mackinder, B. (1993). Erythrina baumii Harms Kirkia 14 Page 116. Mackinder, B. et al. (2001). Papilionoideae Flora Zambesiaca 3(5) Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 66. Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 212. White, F. (1962). Forest Flora of Northern Rhodesia Oxford Univ. Press.

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