特徵描述
作者
YING, Shao-Shun
型態特徵
Annual, biennal or perennial herbs; sometimes subshrubs or even shrubs, very rarely climbing; usually with a subterranean bulb, tuber, corm or rhizome, sometimes producing superterranean bulbils or rooting buds; stem present or absent; often erect or nearly so. Leaves simple, alternate or rarely verticillate to subopposite, membranaceous to chartaceous, or coriaceous or fleshy, some reduced to scales. Flowers mostly bisexual, rarely unisexual; actinomorphic to slightly zygomorphic, solitary, or in racemes, spikes panicles, umbels or subumbels; tepals mostly 6, rarely 4 or 8, free or connate at base and forming a tube, equal or more or less unequal. Stamens 6, rarely to 12 or fewer, hypogynous or adnate to and always opposite tepals; filaments free or variously connate; anthers 2-celled, oblong to linear, opening by a lengthwise slit or rarely by a terminal pore. Ovary usually superior, rarely half inferior, mostly 3-celled, rarely 1-celled or 4-celled; ovules numerous in each cell, biseriate, rarely 2, placentas parietal; style mostly 1, entire or more or less 3-fid. Fruit a berry or capsule; capsules loculicidal or septicidal; seeds solitary to numerous, endosperm abundant, fleshy or cartilaginous; embryo straight or curved.
屬
About 300 genera and more than 4,000 species worldwide, but abundant in temperate regions of both hemispheres; 21 genera in Taiwan.
參考文獻
Aspidistra 蜘蛛抱蛋屬
作者
YING, Shao-Shun
型態特徵
Perennial herbs; rhizome creeping, horizontal, thickened, somewhat fleshy; stemless, Leaves arising from rhizome, petiole elongate, slender, sometimes winged upward, blade oblanceolate to oblong or ellipsoid, entire, many veined. Flower solitary, bell-shaped to urceolate, short pedicellate, often borne close to ground; perianth segments 8, in 2 series, acute; stamens 8, inserted below middle of perianth tube, included; filaments short or nearly absent; anthers narrowly ovoid, dorsifixed; ovary sessile, globose or nearly so, 4-celled, ovules 2-6 per cell; style short, stigma usually large and mushroom-like, covering throat. Fruit a berry, globose; seeds several, rounded to reniform; endosperm fleshy.
