(33) 長葉茅膏菜
Drosera indica L.
茅膏菜科(Droseraceae)

英文名 (English name): Indian Sundew

中國境內現狀：需予關注(LC)
Status in China: Least Concern (LC)

形態特徵: 一年生草本，高6-38厘米。莖直立或匍匐狀，無球莖。葉互生，線形，長2-12厘米，寬1-3毫米,被白色或紅色長腺毛；托葉通常不存在；葉柄被短腺毛或無毛。花序與葉近對生或腋生；苞片線形，被短腺毛；花柄長6-10毫米，被短腺毛；萼片5，披針形或長圓形，長約4毫米，背面被短腺毛，全緣或具腺齒；花瓣5，倒卵形或倒披針形，長約6毫米，白色、淡紅色至紫紅色；雄蕊5，長約5毫米；子房倒卵形或球形，花柱3，每個2深裂至近基部，頂部常內卷。蒴果倒卵形，長4-6毫米，果爿3。種子多數，細小。
　　

地理分布: 鶴咀、東涌。台灣、福建、海南、廣東、廣西。亞洲、非洲和大洋洲的熱帶和亞熱帶地區。
　　

生境與生態：生於潮濕曠地和水田邊。花果期：全年

該種為食蟲植物，在生態系統中有其獨特的作用; 種群小，易受生境破壞。可嘗試進行遷地保護。

Description: Annual herbs, 6-38 cm tall, without tubers below the ground. Stem erect or procumbent, Leaves alternate, linear, 2-12 cm long, 1-3 mm wide, covered with white or red long glandular hairs; stipule absent; petiole short glandular-hairy or glabrous. Inflorescence axillary or leaf opposed; bracts linear, glandular; pedicels 0.6-1.0 cm long, glandular; sepals 5, lanceolate to oblong, 4 mm long, glandular abaxially, margin entire or glandular; petals white, light red or reddish violet, obovate to oblanceolate, 4 mm long; stamens 5, 5 mm long; ovary obovate or globose, styles 3, each one deeply 2-parted nearly to base, usually incurved. Capsule obovoid, 3-valved, 4-6 mm long. Seeds numerous, small.

Distribution：Cape D'Aguilar, Tung Chung. Taiwan, Fujian, Hainan, Guangdong, Guangxi. Tropical and subtropical regions of Asia, Africa, Australia.

Habitat and ecology: In wet places. Flowering & fruiting: all year round.

It is an insectivorous plant and plays a special role in an ecosystem. Natural population is small and susceptible to habitat destruction. Ex-situ conservation measures could be explored.

參考文獻 (References):
阮雲珍，1991：廣東植物誌2：65-66。圖44。廣東科技出版社，廣州。