特徵描述
Helwingia 青莢葉屬
作者
LI, HUI-LIN and YANG, KUOH-CHENG
型態特徵
Glabrous undershrubs. Leaves petioled, simple, lanceolate or ovate-lanceolate, bristle-serrate; stipule a tuft of linear bristles seen only at the base of the young petioles. Flowers unisexual, very small, in sessile umbels at the middle of the abaxial surface of the leaf or phyllode; pistillate flowers 1–4-flowered; staminate flowers with more flowers; calyx truncate; petals 3–4, valvate; stamens 3–5; ovary 3–4-celled, the style 3–4, combined at the base, arising from a conical disc. Fruit ovoid or ellipsoid, usually 2–3-celled; carpels rounded on the back; seeds compressed; endosperm uniform.