特徵描述
作者
HUANG, SHING-FAN and HUANG, TSENG-CHIENG
型態特徵
Herbs, shrubs or trees, erect, climbing or epiphytic; branches terete or tetragonous. Leaves opposite, rarely verticillate, simple, usually with 3–9 palmate veins, estipulate. Flowers bisexual, actinomorphic, sometimes slightly zygomorphic as to androecium, mostly 4–5-merous, solitary or in simple or compound cymes. Calyx tubular, free or adnate to the ovary; lobes imbricate or valvate. Petals imbricate, free, rarely connate at the base. Stamens usually as many as or twice as many as the petals, equal or unequal; filaments distinct, often bent and inflexed; anthers typically 2-celled, introrse, basifixed, dehiscing by a single (rarely 2) pore rarely by 2 longitudinal slits, the connectives often thickened at the base and produced, sometimes vanously appendaged. Ovary mostly inferior, 4–5-celled, the placentas axile, rarely parietal or basal, the ovules numerous; style and stigma simple. Fruit a loculicidally dehiscent capsule or a berry. Seeds often minute; embryo straight or conforming to the shape of seed when large; endosperm absent.
屬
A large family of about 240 genera and 4,000 species, tropical and subtropical; 11 genera in Taiwan.
參考文獻
Sarcopyramis 肉穗野牡丹屬
作者
HUANG, SHING-FAN and HUANG, TSENG-CHIENG
型態特徵
Herbs, erect or prostrate, glabrous or setose; stems quadrangular. Leaves, thin membranaceous, ovate or lanceolate, serrulate, 3-nerved, petioled. Flowers solitary or in small clusters, pedicelled or nearly sessile, axillary and terrninal, small, rose-purple; bracts foliaceous; calyx-tubes glabrous, obpyramidal, 4-winged, the limbs very short, 4-toothed; petals 4, ovate; stamens 8, equal; anthers oblong, the connectives shortly produced at the base, often spurred behind; ovary half-adnate to the calyx, 4-celled; style filiforrn; ovules very many, the placentas axile. Capsules crowned with four large scales, opening by 4 valves at the top; seeds numerous, obovid, covered with prominent raised points.