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38. Chlorophytum Ker Gawler, Bot. Mag. 27: t. 1071. 1807.

吊兰属 diao lan shu

Chen Xinqi (陈心启 Chen Sing-chi); Minoru N. Tamura

Herbs perennial, rhizomatous. Rhizome often short, inconspicuous, sometimes thick, elongate. Roots usually ± thick or slightly fleshy. Leaves basal, subdistichous or fasciculate, sessile or petiolate, usually linear to elliptic-lanceolate, conduplicate, base sheathing. Scape axillary, proximally with bractlike cauline leaves. Inflorescence a terminal raceme or panicle; bracts small. Flowers bisexual; pedicel articulate. Perianth usually white; tepals 6, free, 3--7-veined, persistent or marcescent. Stamens 6, inserted at base of tepals; filaments filiform, usually slightly widened near middle; anthers nearly basifixed, introrse. Ovary 3-loculed; ovules 1 to several per locule. Style slender; stigma small. Fruit a capsule, acutely 3-angled, loculicidal. Seeds black coated, flattened.

Between 100 and 150 species: mainly in tropical areas of Africa, Asia, and Australia, also in South America; four species (one endemic) in China.

In addition to the following species, Chlorophytum comosum (Thunberg) Jacques, native to S Africa, is cultivated in China as an ornamental.

1 Leaves subdistichous; tepals 2--3 mm   4 Chlorophytum laxum
+ Leaves fasciculate; tepals more than 8 mm.   (2)
2 (1) Leaves grasslike, 0.2--0.4 cm wide; flowers solitary   2 Chlorophytum chinense
+ Leaves not grasslike, 0.6--5 cm wide; at least some flowers in clusters of 2 or 3.   (3)
3 (2) Rhizome short, inconspicuous; roots nearly clustered; inflorescence simple or few branched   1 Chlorophytum nepalense
+ Rhizome ascending, elongate, rather thick; roots scattered; inflorescence many branched   3 Chlorophytum malayense

Lower Taxa


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