大序假卫矛 da xu jia wei mao

Shrubs or small trees, 2-8 m tall; branchlets stout, internodes short, dark purplish brown. Petiole thick, 1-1.2 cm, flat up to apex; leaf blade rectangular or rectangular-elliptic, rarely obovate-elliptic, 7-11 × 3-5 cm, leathery, abaxially pale green, adaxially dark green (dark gray when dry), base broadly cuneate or decurrent, apex acute or shortly acuminate; midvein thick, obviously prominent on both surfaces, secondary veins 6-8 pairs, anastomosing at margin. Thyrses large, generally on branched axis, 8-9 × 7-8 cm, generally of 5 cymose branches, each branch stout and slightly flat; peduncle 14-18 mm, flat; rachis 10-13 mm; secondary peduncle up to 30 mm, third peduncle 10-12 mm, fourth peduncle 8-10 mm, fifth peduncle 3-5 mm; each peduncle apically with 2 triangular bracts, bracts ca. 2.5 mm; pedicels ca. 1 mm, flat, or absent; floral buds slightly globose, 2.5-3 mm wide. Flowers 5-merous; sepals fleshy, approximately leathery, nephroid; petals elliptic. Disk annular. Stamens with short filament; anther rectangular. Ovary broadly subulate; style short and thick. Capsule elliptic or obovate- elliptic, ca. 18 × 7 mm, persistent sepals slightly enlarged.

● Thick forests; ca. 2300 m. Guangxi.