打開植物中的潘朵拉

Picrasma quassioides 苦樹
About nine species: tropical and subtropical America and Asia; two species (one endemic) in China.
1a. Sepals 5, sometimes 4; leaflets 9–15, blades irregularly serrate; druparium blue-green when ripe, 6–8 × 5–7 mm............ 1. P. quassioides
1b. Sepals 4; leaflets 5–9, blades entire or sometimes sinuate or wrinkled-sinuate; druparium red-brown when ripe,10–13 × 7–9 mm........ 2. P. chinensis

Picrasma quassioides 苦樹
種下又可分出另一個變種
1a. Leaflet blades abaxially pubescent only on midrib or lateral veins when young; inflorescence rachis densely yellow-brown puberulent ..... 1a. var. quassioides
1b. Leaflet blades glabrous; inflorescences and infructescence glabrous or sparsely pubescent then glabrescent ................. 1b. var. glabrescens