特徵描述
作者
CHANG, CHING-EN
型態特徵
Trees or shrubs. Leaves alternate, estipulate, mostly pinnate, usually not glandular punctate; leaflets opposite or alternate, usually quite entire and more or less oblique at base. Flowers usually unisexual (plant dioecious), rarely hermaphroditic, usually in axillary cymose panicles; calyx 3–6-lobed, or with free sepals, usually imbricate in bud; corolla contorted or imbricate, the petals 4–5 (rare 3 or 6 or more), distinct or connate, or adnate to the staminal tube and then valvate; stamens 5–10, hypogynous, mostly monadelphous by the connate filaments (distinct in Cedrela and Toona), the anthers erect, usually sessile on the tube, included or exserted, 2-celled, longitudinally dehiscing; hypogynous disc tubular, annular or obsolate, free or connate with the ovary, ovary usually free, 2–5 celled, the style single, the stigma disciform or capitate; ovules 1–2 in each cell or more, collateral or superposed. Fruit a berry, capsule, or rarely a drupe. Seeds often winged, endosperm fleshy or none.
屬
About 50 genera and 800 species, mostly tropical, widely spread over both hemispheres.
參考文獻
Aglaia 樹蘭屬
作者
CHANG, CHING-EN
型態特徵
Trees or shrubs. Leaves pinnate or trifoliolate, lepidote or stellately pubescent at least on the young parts. Flowers unisexual usually in axillary panicles; male inflorescence large and many flowered, female one smaller, few-flowered and sometimes reduced to a short spike, the latter often much larger than the former; calyx shallowly or deeply 3–5 lobed; petals 3–6, free or united below , imbricate; staminal tube globose, urceolate, campanulate or rarely shortly cylindrical, with an entire or crenate or rarely lobed margin; anthers 5–10, or more; antherodes similar, without pollen; disc absent; ovary 1–4 celled, with 1–2 ovules in each cell. Fruit a 1–4(6) seeded berry, nut, or less frequently a 2 or 3 valved loculicidal capsule.
