(98) 全唇薑
Zingiber integrilabrum Hance
薑科 (Zingiberaceae)

英文名 (English name): Entire Lip Ginger

中國境內現狀：瀕危 (EN)
Status in China: Endangered (EN)

形態特徵：多年生草本，具分枝的根狀莖，株高40-100厘米。葉片披針形，長15-18厘米，寬約3厘米，葉背被毛。花序由根狀莖伸出，總花梗一半埋入土中；苞片披針形，長2-3厘米；花冠象牙白色，裂片披針形，長約1.8厘米，唇瓣橢圓形，側裂片退化成一小圓齒或缺；發育雄蕊1枚，無花絲，花藥長8毫米，藥隔附屬體長7毫米。

地理分布：香港特有種。僅見於歌賦山。

生境與生態：生於林下半蔭蔽環境。花期：4-10月。

本種為稀有種，於1881年在歌賦山首次發現，近一百年內無記錄。

Description: Perennial herbs, 40-100 cm tall, with branched rhizomes. Leaves lanceolate, 15-18 cm long, about 3 cm wide, adaxilly glabrous, abaxilly pubescent or pilose. Spike arising from rhizomes, ca. 1/2 embedded in ground, bracts lanceolate, 2-3 cm long. Corolla ivory white; lobes lanceolate, 1.8 cm long; lip elliptic; lateral lobes reduced to rounded teeth or absent. Stamens 1; anther sessile, ca. 8 mm long, connective appendage ca. 7 mm long.

Distribution: Endemic to Hong Kong, only known in a few localities in Mount Gough.

Habitat and Ecology: On shade places under forest. Flowering: Apr-Oct.

This rare species was first discovered in 1881 from Mount Gough and since then no record has been added.

參考文獻 (References)：
Hance, H. F., 1882: Journal of Botany, British and Foreign 20(231):80.
Dunn, S. T. & W. J. Tutcher, 1912: Flora of Kwangtung & Hong Kong 272. HMSO, London.
Wu, Delin, 2000: Flora of China 24: 327. Science Press, Beijing & Missouri Botanical Garden, St. Louis.