大葉異木患
大葉異木患 |
中文名:大葉異木患 學 名:Allophylus charlaceus (Kurz) Radlk. 門:被子植物門 綱:雙子葉植物綱 亞 綱:原始花被亞綱 目:無患子目 科:無患子科 亞 科:無患子亞科 屬:異木患屬 |
大葉異木患(學名 Allophylus charlaceus (Kurz) Radlk.)小灌木;小枝柱狀,褐色,後變灰白,無毛。分布於西藏自治區。 [1]
目錄
大葉異木患形態特徵
小灌木;小枝柱狀,褐色,後變灰白,無毛。
單身複葉(側生退化小葉有時存在),葉柄粗壯,長2-8厘米,上面有溝;小葉具短柄,膜狀紙質,闊披針形或橢圓形,長18-32厘米,寬8-14厘米,邊緣有波狀疏齒,兩面無毛,有光澤,側脈稍疏,斜升直達齒之頂端,在下面凸起,小脈網狀。
聚傘圓錐花序不分枝,雙生或幾個簇生,與葉柄近等長或有時與葉近等長,花序軸有直紋,無毛;花芽直徑約2毫米;萼片近無毛;花瓣楔形,爪上被毛,鱗片被紅色長毛。果近球形,直徑約1厘米;紅色。
Schmidelia chartacea Kurz, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 43: 183. 1874; Allophylus zeylanicus Linnaeus var. grandifolius Hiern.
Shrubs, small. Branchlets brown, gradually becoming grayish white, terete. Leaves unifoliolate (sometimes lateral rudimentary leaflets extant); petioles 2-8 cm, stout, strong, grooved; leaflets petiolate; blades shiny, broadly lanceolate or elliptic, 18-32 × 8-14 cm, membranous-papery, glabrous, lateral veins slightly sparse, ascending to tooth-tips, prominent abaxially, veinlets reticulate, margin wavy toothed. Thyrses unbranched, in pairs or fascicles, nearly as long as petioles or sometimes nearly as long as leaves; rachis striate, glabrous. Flower buds ca. 2 mm in diam. Sepals subglabrous. Petals cuneate, claws hairy; scales with long red hairs. Fruit red, subglobose, ca. 1 cm in diam.
大葉異木患生長環境
生長於海拔1100米山坡灌叢中。