平当树 ping dang shu

Paradombeya rehderiana Hu; P. szechuenica Hu.

Small trees or shrubs, up to 5 m tall. Branchlets slender, sparsely stellate puberulent. Petiole 3-5 mm or leaf sessile; leaf blade ovate-lanceolate to elliptic-oblanceolate, 5-12.5 × 1.5-5 cm, membranous, abaxially sparsely stellate hairy, adaxially glabrous or nearly so, basal veins 3, lateral veins ca. 10 on each side of midrib, base rounded or shallowly cordate, margin
densely serrulate, apex long acuminate. Inflorescence a fascicle of 1-3 umbel-like cymes, each 1-6-flowered; pedicels slender, 1-1.5 cm; epicalyx lobes 3, lanceolate, caducous. Calyx lobes ovate-lanceolate, ca. 4 mm. Petals yellow, broadly obovate, unequal to each other, ca. 5 mm, apex truncate, persistent. Staminodes tongue-shaped, slightly shorter than petals. Ovary globose, 2-loculed, densely stellate tomentose; style subulate, glabrous. Capsule nearly globose, ca. 2.5 mm. Seeds dark brown, oblong-ovoid, ca. 1.5 mm.

● Open scrub on grassy slopes; 300-1500 m. S and SW Sichuan, Yunnan.