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Caprifoliaceae

忍冬科

Flora of Taiwan
Valerianaceae 敗醬科
特徵描述
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特徵描述

註:依本站目前採用的分類系統,本科部分屬在《Flora of Taiwan》中分屬不同科,因此以下依植物誌使用的科名分列特徵描述。

[ Caprifoliaceae 忍冬科 ]

作者

YANG, Kuoh-Cheng and CHIU, Shau-Ting

型態特徵

Mostly shrubs or woody vines, rarely small trees or herbs. Leaves opposite, simple or pinnately compound; stipules absent or very small. Inflorescence basically cymose or with pairs of flowers which are sometimes joined toward bases of ovaries. Flowers bisexual, regular or irregular; calyx 4- or 5-toothed or lobed, tube adnate to ovary; corolla epigynous, gamopetalous, lobes 5, spreading, sometimes 2 lipped, mostly imbricate in bud; stamens (4-)5, arising from corolla tube, alternate with lobes, anthers free, 2-loculed, opening by longitudinal slits, mostly introrse; carpels 3–5, united, ovary inferior, locules 1–5, style single, stigma capitate or lobed; placenta axile; ovules 1-many in each cell, pendulous. Fruit a berry or a achene-like drupe, rarely a capsule. Seeds 1-many, embryo small, straight; endosperm copious.

About 18 genera and over 450 species, mostly in temperate regions of eastern North America and eastern Asia; four genera and 24 species in Taiwan.

參考文獻

[ Valerianaceae 敗醬科 ]

作者

KAO, Muh-Tsung & DEVOL, Charles E.

型態特徵

Herbs or rarely shrubs. Leaves radical or cauline and opposite, entire, pinnatifid or pinnate; stipules absent. Flowers bracteate, sessile, cymose, bisexual, sometimes polygamous or unisexual, usually small; bracts sometimes fused to form an an outer epicalyx; calyx tube adnate to ovary, plumose or sometimes coronate; corolla superior, gamopetalous, tubular, infundibuliform or rotate, with a spur at base, segments 3–5, often equal, imbricate in bud; stamens 1–4, rarely 5, adnate to corolla tube, alternate with the lobes; ovary inferior, 1–3-celled, ovules 1 per cell, one locule fertile; style solitary, filiform, slender, stigma 2 or 3-lobed or capitate; ovules solitary, pendulous. Fruit a cypselate achene, 1-seeded; seed pendulous; embryo straight.

參考文獻

Triplostegia 雙參屬

作者

KAO, Muh-Tsung & DEVOL, Charles E.

型態特徵

Perennial, erect, slender herbs; stem covered with glandular hairs on upper parts. Leaves opposite, petiolate, toothed or pinnatifid, uppermost distant, small, sessile. Inflorescence terminal or axillary cymose; flowers small, sessile or short pedicelled; bracts small, narrowly oblong, epicalyx covered with glandular hairs; calyx limb minute, obscurely toothed; corolla tube pink or purple, funnel-shaped, 5-lobed, segments equal, spreading; stamens 4 inserted at base of corolla tube; style linear, stigma capitate. Achenes short beaked, free within the utricular involucel, 8-ribbed, with white hairs, crowned by the unaltered calyx limb.

Only two species distributed from the Himalaya to Taiwan and south to the Malesian region. one species in Taiwan.

參考文獻

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