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
Osbeckia 金錦香屬
作者
HUANG, SHING-FAN and HUANG, TSENG-CHIENG
型態特徵
Herbs or shrubs, mostly erect and setose; branches commonly tetragonous. Leaves opposite or sometimes temate, entire, subcoriaceous, 3–7-nerved. Flowers terminal, solitary, capitate or panicled, purple or white, often bracteate; calyx-tubes ovoid, having stellate hairs or pectinate scales; calyx-lobes 5 or 4, usually stellate-hairy, rarely with simple hairs; petals 5–4; stamens 10 or 8, equal or subequal; anthers oblong, truncate-attenuate or beaked; connectives not produced at the base, slightly swollen or with two tubercles; ovary inferior, 4–5-celled, more or less adherent to the calyx, setose at apex; style filiform, simple; ovules very numerous; placentas axile. Capsules included in the calyx-tubes, opening by 4–5 pores at its free vertex; seeds very many, curved through half a circle, covered with minute elevated points.
