Hosta Tratt.

Plantain Lilies

Perennial thick-rooted rhizomatous herbs. Leaves simple, entire, broadly ovate, basal. Flowers radially symmetrical, bisexual, numerous, in terminal stalked racemes.Tepals 3+3, united basally; individual flower stalks articulated. Stamens 6, free or attached to the base of the tepals. Ovary superior, 3 chambered with numerous ovules. Fruit a many-seeded, dry dehiscent capsule. Seeds ovoid, black, without arils.

A large number of currently popular species and cultivars. Growth is best in moist shade.The leaves are appealing in borders for their formal rosettes, variegations and parallel veins.

Between 25 and over 40 species (depending on species concept) from China, Japan, Korea and Russia.

Broad, stalked rosettes of decorative parallel-veined leaves and racemes of flowers with basally united, unspotted tepals.

Hensen (1985), Schmid (1991, 1999), Aden (1992), Grenfell (1993), Bond (1994). Cultivars: American Hosta Soc. (1993).

Source: Conran, J. (2005). Hostaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.

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kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Lilianae
order      Asparagales
family       Asparagaceae
Higher taxa
Subordinate taxa
species         Hosta 'Fortunei Group'
species         Hosta plantaginea (Lam.) Asch.
species         Hosta sieboldiana Engl.
species         Hosta sieboldii (Paxt.) J.Ingram
species         Hosta 'Tardiana Group'
species         Hosta ventricosa Stearn
species         Hosta venusta Maek.