Buchnerodendron lasiocalyx (Oliv.) Gilg

Species

Angiosperms > Malpighiales > Achariaceae > Buchnerodendron

Characteristics

Small shrub or subshrub, (0.1–)0.2-1(–6) m. tall; branches stiffly erect, fuscous tomentose when young, glabrescent and brownish purple with age.. Leaf-blades ovate-oblong, broadly ovate or obovate, sometimes obovate-elliptic, apex subacute or obtuse, rarely rounded, base generally cordate, rarely subtruncate-cordate or-rounded, membranous to chartaceous, hairy above, tomentose beneath at least when young, glabrescent with age, serrate to sinuate-dentate, 5–11(–17) cm. long, 3–5(–10) cm. broad; lateral nerves 6–9 pairs (2 basal), slightly prominent above, markedly so beneath, venation reticulate and raised beneath; petiole tomentose, (1–)2–4(–7) cm. long; stipules linear-lanceolate, tomentose, 6–10 mm. long, 2–5 mm. broad at base.. Inflorescences in axillary cymose (2–)5–8-flowered panicles, (3–)8–10 cm. long, on a tomentose peduncle (0.5–)1–3 cm. long; pedicels 1–1.3 cm. long; basal bracts narrowly elliptic, hooded, acuminate, serrate, tomentellous, ± 7 mm. long.. Flowers bisexual.. Sepals ovate-elliptic, acutish, dorsally covered with numerous setose processes, 6–10(–15) mm. long.. Petals 8–(12), obovate-oblong, obtuse, white, edge somewhat undulate, dorsally tomentose, 1.5–2 cm. long, 0.5–0.7 cm. broad.. Stamens very numerous; filaments puberulous, 3–5 mm.; anthers linear, puberulous, ± 5 mm.. Ovary ellipsoid-globose, set with soft setose processes; style slender, ± 5 mm. long.. Capsule globose, covered with many puberulous branching bristles or spines, up to 4 .5 cm. across including the bristles (1.5–2 cm.), dehiscent into 3 valves.. Seeds several, compressed, ± 4 mm. across; testa pubescent; aril dark brown when dry.. Fig. 5.
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Leaf-lamina 5–17 x 3.5–10 cm., ovate-oblong, broadly ovate or obovate, apex acute or obtuse, base cordate, margins serrate, pilose above and tomentose below, at least when young; lateral nerves in 6–9 pairs with 5–7 basal nerves, slightly prominent above, very prominent below, venation reticulate and prominent below; petioles up to 7 cm. long, golden-tomentose; stipules c. 1 cm. long, lanceolate to linear-lanceolate, acuminate at the apex, yellowish-tomentose.
Flowers bisexual, white, in 3–8-flowered, axillary cymose panicles; peduncle 1–3 cm. long, golden-tomentose; pedicels similar, c. 1 cm. long; bracts at the base of the pedicels c. 7 mm. long, narrowly elliptic, cucullate, apex acuminate, the margins serrate, tomentellous.
Ovary ellipsoid to globose, covered with soft, puberulous, setose processes; style slender, c. 5 mm. long, puberulous except near the tip; stigmatic apex not wider than the style.
Fruit a globose capsule, echinate with many puberulous, branching bristles or spines, up to 4.5 cm. in diam. with the bristles, dehiscing into 3 valves, bristles 1.5–2 cm. long.
Petals 8–12, c. 2 x 0.7 cm., obovate-oblong, blunt at the apex, narrowed at the base, margin somewhat undulate, tomentose on the back.
Small bush usually from 0.3–1 m. tall; branches stiffly erect, golden-tomentose at first, later glabrescent and brownish-purple.
Stamens very numerous; filaments 3–5 mm. long, slender, puberulous; anthers c. 5 mm. long, linear, puberulous.
Sepals 1–1.5 x 0.5–0.7 cm., elliptic, blunt at the apex, with many puberulous, setose processes at the back.
Seeds several, c. 4 x 4 mm., compressed; testa pubescent; aril dark brown when dry.
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Sexuality hermaphrodite
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Mature height (meter) 0.25 - 1.0
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Cultivation

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Images

Buchnerodendron lasiocalyx unspecified picture

Distribution

Buchnerodendron lasiocalyx world distribution map, present in Mozambique and Tanzania, United Republic of

Conservation status

Buchnerodendron lasiocalyx threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:364995-1
WFO ID wfo-0000922858
COL ID NMRD
BDTFX ID -
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Oncoba eximia Buchnerodendron bussei Buchnerodendron lasiocalyx Buchnerodendron nanum Buchnerodendron eximium Oncoba lasiocalyx