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The set of appendages composed of 7 (the 1st and the 7th small, the 2nd and 3rd broom-like, the 4th, the central, much shorter, truncate and bearing three narrowly oblong lobes on the edges and in between the edges, the 5th and 6th again broom-like; the small ones oblong, 0·5–1·5 x 0·5 mm., ciliate, glabrous; the broom-like appendages long, filiform, 7–9 mm. long, glabrous, branched from 5–6 mm. above the base into 1–3 branches; the central one oblong, 2–3 x 0·3 mm., branched from 1·3-1·8 mm. above the base into 3 branches, sparsely pubescent).
Corolla 6–7 times as long as the calyx, 13·5–20 mm. long; tube dark violet, 3–4 times as long as the calyx, 6–9 mm. long, at the ventricose part 2·5–4 mm. in diam., inside below the pilose zone glabrous; lobes yellow, brownish-violet at the apex, 1·2–1·8 times as long as the tube, 1·8–2 times as long as wide, 7·5–11 x 4–6 mm., minutely pubescent outside, papillose inside.
Leaves petiolate; petiole 3–5 mm. long, densely pilose; lamina narrowly ovate or obovate, 2·6–3·5 times as long as wide, 3·5–14·5 x 1–5·5 cm., subcoriaceous when dry, puberulous above, beneath tomentose especially on the main veins.
Pistil 8–9 mm. long; ovary 1–1·5 x 0·6–0·8 x 0·5–1 mm., glabrous; style 6–8 x 0·2–0·3 mm., glabrous; clavun-cula 0·8–1 x 0·9–1 mm.; stigma 0·2–0·3 mm. long.
Sepals 1–1·7 times as long as wide, 2–3 x 1–2 mm., sparsely pubescent outside, glabrous inside with or without a colleter at the base near the edge.
Stamens inserted 1·5–1·6 mm. below the mouth of the corolla; filaments 2·2–3 x 0·2 mm.; anthers 2·5–3·2 x 1 mm.
Colleters (in whole flower 3–5) large, triangular, 2·5 times as long as wide, 1 x 0·4 mm.
Seeds 10–18 x 1 x 0·2 mm., greenish, with a dense, 35 mm. long tuft of hairs at the apex.
Branches pale to dark brown when dry; branchlets densely pilose.
Bracts 2·2-3 mm. long, pubescent or glabrous on both surfaces.
Fruit dark green; follicles 20–30 cm. long, 5–-7 mm. in diam.
Pedicels 7–15 mm. long, tomentose, rarely subglabrous.
Peduncle 1–2 cm. long, tomentose, rarely subglabrous.
Inflorescences several-flowered, 4·5-6·5 x 4–8·5 cm.
Tree, 5–8 m. high; bark pale brown.
Ovules 120–150 in each carpel.
