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Pistil glabrous, 6·8–7·7 mm., long; ovary broadly ovoid, 1·5–1·7 x 1·5–2 x 1·5–2 mm., composed of two free carpels; style often split at the base, 3·5–4·5 mm. long, cylindrical and at the apex with a globose head, c. 1 mm. diam. supporting the clavuncula; clavuncula composed of an entire recurved ring 0·4 x 1–1·2 mm. in size, followed by a small cone topped by a globe 0·3–0·6 mm. in diam.; stigma minute, 0·2 x 0·1 mm.; whole of clavuncula and stigma 1·4–1·5 x 1–1·2 mm.
Leaves shortly petiolate; petioles glabrous or sparsely pubescent, 3–5 mm. long, with colleters in the axils; lamina membranous when dry, narrowly ovate or narrowly elliptic, 3–6·5 times as long as wide, 3·5–10 x 1–2·7 cm., long-acuminate, cuneate or rounded at the base, glabrous or sometimes with minute scattered hairs above, pubescent at the base of the midrib or sometimes entirely glabrous beneath; secondary veins 8–15 at each side, fairly inconspicuous.
Stamens exserted, inserted 0·5–1 mm. below the mouth of the corolla; filaments very short, glabrous; anthers narrowly triangular, 4·5–5·5 x 1–1·4 mm., acuminate at the sterile apex, auriculate at the base, introrse, glabrous outside or at the apex with a few stiff hairs, inside on lower half of connective with a penicillate line of hairs just below the level where it is coherent with the clavuncula.
Sepals pale green, with a membranous margin, persistent even beneath the fruit, narrowly ovate or elliptic, 2–2·4 times as long as wide, 5–6 x 2·2–2·5 mm., obtuse, sparsely pubescent outside, especially at the base, ciliate, inside with 5 large colleters alternating with them; colleters 1 x 0·8 mm., flat, entire or 3-lobed.
Corolla creamy; tube almost cylindrical, slightly constricted at the insertion of the stamens, slightly shorter than the sepals, 4–5 x 1·7–2·8 mm., glabrous on both sides; lobes elliptic, 2–3·3 times as long as wide, 7–9 x 2·7–3·5 mm., obtuse, puberulous on both sides, spreading.
Corona composed of 2 rings inserted at the mouth; outer of 5 basally united emarginate lobes, almost half as long as the anthers, each with triangular apices, and inside it a series of 10 shorter filiform appendages near the edges of the anthers.
Shrub or tree, up to 15 m high (normally 4-8 m). Branches rusty pubescent when young, soon glabrous. Stamens exserted. Fruit of 2 follicular mericarps, 200-260 mm long. Flowers yellowish.
Follicles slender, cylindrical, 20–40 x 0·8–1 cm., with many pale lenticels, dehiscent throughout by an adaxial longitudinal slit and becoming flat and 15–17 mm. wide.
Branches lenticellate; branchlets glabrous or only sparsely pubescent when very young, terete, often sulcate when dry.
Inflorescence solitary, terminal, often in the forks or axillary, erect 2–5 x 2–5 cm.
Seed pale brown, 15–19 x 2 mm., longitudinally striate, with coma 3–5 cm. long.
Bark pale grey-brown, inner bark white or brownish, with white latex.
Peduncle 3–5 mm., long, slender, pubescent as the branches.
Bracts linear, about as long as the sepals, deciduous.
Tree 3–15 m. high, repeatedly dichotomously branched.
Pedicel 3–5 mm. long, pubescent.
Ovules c. 100 in each cell.
