元江柄翅果 yuan jiang bing chi guo

Trees deciduous or semi-evergreen, to 15 m tall. Branch-lets densely brown stellate scaly. Petiole 3.5-10 cm; leaf blade suborbicular, sometimes 3-lobed, 7-15 × 7-13 cm, papery, glabrous, basal veins 7-9, lateral veins 3 or 4 pairs, base cor-date, margin entire, apex acute. Flowers unisexual. Male flow-ers in 3-7-flowered cymes. Female flowers solitary or rarely in 2- or 3-flowered cymes. Bracteoles 3, large, enveloping flower bud. Sepals eglandular. Petals flabelliform, apex praemorse, not glandular adaxially. Stamens 25-30, without pollen in apparently bisexual flowers; staminodes 5, longer than stamens. Ovary 5-loculed, 5-angled; styles 5, clavate. Capsule ellipsoid, 3-4 cm. Fl. Apr-May, fr. Jun-Jul.

● Sparse forests in dry valleys; 400-900 m. S Yunnan.