Spreading rounded shrub, 1-3 m tall, non-lignotuberous. Branchlets and young leaves appressed-sericeous, ferruginous. Leaves simple, 2.5-7.5 cm long, 1-2.2 mm wide; mucro 1-3 mm long. Inflorescence axillary with 6-8 flowers; involucre 4-4.5 mm long; rachis 1-4 mm long, hirsute; pedicels 2.5-3.5 mm long, glabrous; buds straight. Perianth 2-3 mm long, yellow, glabrous. Pistil 3.8-4.5 mm long; pollen presenter a ±porrect cone. Fruit obliquely broadly elliptic or elliptic, 2.5-3.5 cm long, 1.5-2.5 cm wide, smooth, not beaked, black-pusticulate; apiculum 1-3 mm long; horns 1.5-2 mm long. Seed 14-20 mm long; wing broadly down one side of seed body, narrowly down other, black.
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