特徵描述
作者
LI, Hui-Lin
型態特徵
Herbs or shrubs, acaulescent or with elongated branched stems. Leaves alternate, estipulate. Flowers bisexual, regular, 5-merous, often in one-sided racemes or in umbels; the bracts often sheathing, scarious. Calyx tubular or funnelform, 5-toothed or lobed, 5–15 ribbed, plaited, often scarious or colored. Corolla of 5 petals united into a tube or connate only at base, imbricate, usually small, persistent. Stamens 5, opposite the petals or corolla lobes, usually inserted on corolla, anthers 2-locular, longitudinally dehiscent. Ovary superior, 1-celled; style 5, free or connate; ovules solitary, pendulous. Fruit a utricle, sometimes circumscissile; seeds with or without endosperm, embryo large, erect.
屬
About 25 genera and 440 species, of wide distribution, mainly in the Mediterranean region and Central Asia; two genera in Taiwan.
參考文獻
- Peng, Z. X. & R. V. Kamelin, Flora of China Family 15: 190-204. 1996. (Fl. China)
- Yamazaki, T., Fl. Japan, Vol. IIIa, Angiospermae, Dicotyledoneae, Sympetalae (a). Kodansha Ltd., Japan. 96-97. 1993.
- LI, Hui-Lin, Flora of Taiwan, second edition 4: 79. 1998. (Fl. Taiwan 2nd edit.)
Plumbago 烏面馬屬
作者
LI, Hui-Lin
型態特徵
Perennial herbs or subshrubs, sometimes climbing. Leaves alternate, auricled at base or clasping, entire. Flowers in spikes at end of branches; bracts shorter than calyx; calyx persistent, tubular, 5-ribbed, scarious between the ribs, ribs glandular, lobes 5, short, erect; corolla white, pink or lilac-blue, salverform, tube slender, lobes 5, spreading; stamens 5, free from corolla, filaments of the same length as the corolla-tube; style filiform, apex 5-branched. Utricle enclosed in persistent calyx tube, membranaceous, circumscissile, deciduous part often splitting into 5 valves from below.
