特徵描述
作者
LIU, Ho-Yih
型態特徵
Herbs or shrubs, rarely trees or vines; some species hemiparasitic or parasitic. Leaves opposite or alternate, rarely whorled; exstipulate. Flowers in racemes, spikes, or thyrsoid panicles or solitary; perfect, usually irregular. Calyx lobes 5 or 4, rarely 1 or 2 by fusion. Corolla sympetalous, 4 or 5-lobed, often 2-lipped. Stamens epipetalous, usually 4 and didynamous, or 4 fertile and 1 sterile, rarely 2 or 5; anthers 1 or 2-celled, cells distinct or more or less confluent. Disc annular or cup-shaped. Ovary superior, 2-celled; style simple or sometimes forked; stigma capitate, dilated, or 2-lobed. Fruit a capsule, rarely baccate. Seeds small, hilum lateral or ventral.
屬
About 220 genera, worldwide; 25 genera in Taiwan.
參考文獻
Veronica 婆婆納屬
作者
HUANG, Shing-Fan & HUANG, Tseng-Chieng
型態特徵
Herbs or shrubs. Leaves opposite or verticillate, rarely simple, alternate, cauline. Flowers solitary, in axils or in terminal or axillary bracteate racemes, without bracteoles; calyx 4- or 5-parted, lower 2 segments sometimes connate, upper segment if present smaller; corolla rotate, tube cylindric, limb spreading, 4- or 5-lobed, stamens 2, inserted on tube, exserted, anther cells parallel or not, obtuse; stigmas entire, capitate; ovules many or rarely 2 in each cell. Capsules flat or inflated, 2-grooved, loculicidally or septicidal; seeds few to many, ovate or orbicular, attached on ventral face, convex on back, smooth or rugosely dehiscent, sometimes winged.
參考文獻
- LIU, Ho-Yih, Flora of Taiwan, second edition 4: 582. 1998. (Fl. Taiwan 2nd edit.)
- Huang, S. F. and T. C. Huang, Taiwania 38: 5-18. 1993.
- Yamazaki, Y, Journal of the Faculty of Science, Imperial University of Tokyo. Section III, Botany 7: 91-162. 1957. (J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot.)