Ericaceae

杜鵑花科

特徵描述

屬列表

標本列表

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。

[ Ericaceae 杜鵑花科 ]

作者

LI, Hui-Lin, LU, Sheng-You, YANG, Yuen-Po and TSENG, Yen-Hsueh

型態特徵

Shrubs, occasionally subshrubs or trees, or rarely vines. Leaves opposite or alternate, simple, estipulate. Flowers bisexual, actinomorphic or slightly zygomorphic, solitary or in racemes or panicles. Perianth biseriate, parts of each series usually more or less connate. Calyx 4–7-lobed, usually persistent. Corolla 4–7-segmented, often funnelform-campanulate, convolute or imbricate. Stamens as many or twice as many as petals, free or connate at base; anthers 2-celled, each theca dehiscing introrsely by a terminal pore or longitudinally. Ovary superior or inferior, 4–10- or typically 5-celled; ovules usually numerous per locule; style single, conical to filiform, rarely as many as carpels, stigma simple. Fruit a capsule or berry; seeds usually small, embryo straight, endosperm fleshy.

屬

About 70 genera, widely distributed on acid soils throughout temperate regions; six genera in Taiwan.

參考文獻

[ Pyrolaceae 鹿蹄草科 ]

作者

HSU, Tsai-Wen, KUOH, Chang-Sheng and HSIEH, Chang-Fu

型態特徵

Perennial evergreen herbs or saprophytes without chlorophyll. Leaves alternate, subopposite or in false whorls, simple, foliaceous or scale-like, mostly coriaceous and toothed. Flowers bisexual, actinomorphic or nearly so, bracteate; calyx of 5 free or shortly connate sepals; petals 4 or 5, free or united, hypogynous; stamens 8–10 distinct; anthers dorsifixed, 2-celled, opening by pores; ovary 5-lobed, locules 5 or sometimes incompletely chambered; placentas thick, bearing numerous small anatropous ovules. Fruit a loculicidal capsule, rarely a berry; seeds minute, testa loose, endosperm abundant.

參考文獻

HSU, Tsai-Wen, KUOH, Chang-Sheng and HSIEH, Chang-Fu. 1998. Flora of Taiwan, second edition 4: 5. (Fl. Taiwan 2nd edit.)

Rhododendron 杜鵑花屬

作者

LI, Hui-Lin, LU, Sheng-You, YANG, Yuen-Po and TSENG, Yen-Hsueh

型態特徵

Trees or shrubs, often scaly, sometimes aromatic. Leaves alternate, often clustered toward end of branchlets, rarely subopposite, entire, coriaceous. Flowers fascicled or subcorymbose, terminal, rarely solitary or axillary; bracts broad, often caducous; bracteoles linear; calyx 5-lobed, sometimes small or obsolete, persistent; corolla campanulate, widely funnel-shaped or cylindric, tube long or short, lobes 5–10; stamens 5–18, usually 10, anthers oblong, dehiscing by terminal pores; ovary 5–20-celled, style long or short, stigma capitate; ovules many per cell. Capsules short, woody, or elongate and thinner, 4–20-celled; seeds many, ellipsoid, testa close or loose, often short crested.

About 250 species in the northern hemisphere; 13 species with 2 varieties in Taiwan.

參考文獻

LI, Hui-Lin, LU, Sheng-You, YANG, Yuen-Po and TSENG, Yen-Hsueh. 1998. Flora of Taiwan, second edition 4: 22. (Fl. Taiwan 2nd edit.)

種列表

標本列表

學名中名標本數