Bauhinia pyrrhoneura

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Bauhinia pyrrhoneura

Description

Tendrilled climber, young branches ribbed, rusty tomentose. Leaves: stipules oblong, rounded, 3 cm (?) long, pubescent, early caducous (from De Wit, not seen by us); petiole rusty tomentose, 4-7 cm; lamina entire, broadly ovate to suborbicular, up to 22 by 18 cm; apex often caudate, finely emarginate at apex, 5-30 mm long; nerves (7-)9 — 11; upper surface glabrous, lower thinly appressed puberulous to almost glabrous, rusty tomentose on the nerves. Inflorescences large, composed of corymbs, all parts rusty tomentose, main axis angulate, c. 10 cm; pedicels 4-5 cm; bracts not seen; bracteoles setaceous, minute, inserted in the lower half of the pedicel. Petals yellow, broadly ovate to orbicular, with undulate margin, outside hairy, 2-3(-4) cm long, abruptly clawed; claw 2-3 mm. Stamens 3 fertile; filaments glabrous, thick, curved, c. 5 mm long; anthers broad ellipsoid, c. 2 mm; staminodes 5-10, 3-4 mm. Ovary shortly stipitate, hairy along the sutures, c. 12 mm; style 5 mm, hairy, glabrous towards the peltate stigma.

Distribution

Aek Bila Marbu present, Asia-Tropical, Lubukalung present, Lubuksikaping present, known from few localities: Mt Melintang present
Malesia: Sumatra (known from few localities: Mt Melintang, Lubuksikaping, Lubukalung, Aek Bila Marbu)

Taxonomy

The type collection consists of ample material, while the specimens seen of Bauhinia xanthoneura, Phanera catalpaefolia, and P. acuminatissima consist of few large leaves only. The largest leaves probably are taken from the lower part of the flowering shoots or from sterile branches. The epithet was published as 'pyrraneura*; later authors changed it to the spelling maintained here.

Citation

Miq. 1855 – In: Fl. Ind. Bat.: 63
de Wit 1956 – In: Reinwardtia: 516.