All Floras      Advanced Search
FOC Vol. 24 Page 204 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 24 | Liliaceae

37. Hosta Trattinnick, Arch. Gewächsk. 1: 55. 1812.
[nom. cons.]

玉簪属 yu zan shu

Chen Xinqi (陈心启 Chen Sing-chi); David E. Boufford

Herbs perennial, rhizomatous. Rhizome horizontal, large, sometimes with stolons. Leaves numerous, basal, spiral, long petiolate. Scape terminal, usually with a few bractlike cauline leaves. Inflorescence a terminal raceme, few to many flowered; bracts green or white. Flowers bisexual, solitary, rarely in clusters of 2 or 3; pedicel short. Perianth white to blue or lavender, tubular-campanulate or nearly funnelform; segments 6, connate. Stamens 6, free or rarely adnate to perianth tube near base; filaments filiform; anthers dorsifixed, introrse, dehiscing longitudinally. Ovary 3-loculed; ovules many per locule. Style filiform; stigma capitate, small. Fruit a loculicidal capsule. Seeds many, black.

About 45 species: mainly in Japan, a few species in China, Korea, and Russia; four species (three endemic) in China.

1 Perianth white, 10 cm or more; flowers fragrant, subtended by 2 bracts; filaments adnate to perianth tube near base; capsule ca. 6 cm   1 Hosta plantaginea
+ Perianth purplish red, purple, or white with purple streaks, 4--6.5 cm; flowers not fragrant, subtended by 1 bract; filaments free; capsule less than 6 cm.   (2)
2 (1) Petiole winged at least in distal 1/2, wings 2--5 mm wide; bracts 0.5--0.7 cm   4 Hosta ensata
+ Petiole scarcely winged; bracts 1--3.5 cm.   (3)
3 (2) Plants green, glabrous, not white powdery; base of leaf blade usually cordate or truncate; perianth purple-red; bracts 1--2 cm   2 Hosta ventricosa
+ Plants white powdery particularly on abaxial surface of leaves; base of leaf blade cuneate; perianth white, with purple streaks; bracts 1--3.5 cm   3 Hosta albofarinosa

Lower Taxa


Related Objects  
  • PDF File
  • PDF

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |