Scandent or ? erect glabrous shrub to ± 2 m. tall, the stems quadrangular, with very shallow wings when young.. Leaf-blades mostly elliptic or somewhat oblong-oblanceolate, (3.5–)4.5–12 cm. long, (0.9–)1.8–3.5 cm. wide, acute or shortly acuminate at the apex, cuneate at the base, slightly shining, scarcely coriaceous; petioles 2–4.5 mm. long; stipules 2.5–3.5 mm. long.. Flowering branchlets 3–13 cm. long, the heads 9–15-flowered; peduncles 2–8(–?17) mm. long; pedicels very short or obsolete; bracteoles small.. Calyx-tube 1.4 mm. long; limb 0.5 mm. long; lobes 2.5 mm. long.. Corolla-tube 2.5–3.5 cm. long, ± 1 mm. wide; lobes 7 mm. long, 2–2.8 mm. wide, obtuse.. Anthers 2–2.5 mm. long.. Style 5.5–7.5 mm. long; stigma 2.5 mm. long.. Fruits 8 mm. in diameter.. Seeds yellow-brown, angular, 3–4 in each locule, 3.75 mm. long, with circular excavation, smooth and glossy.. Fig. 103.
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