Androstephium coeruleum

Androstephium coeruleum, commonly called blue funnel-lily, is a herbaceous perennial growing from corms. It has light blue to violet purple flowers and grows up to 35 cm tall. It is found growing in prairies and on grassy slopes in its native range within Texas, Oklahoma and Kansas of the United States.[3][4] It disperses its seed by wind.

Blue funnel lily
Androstephium coeruleum
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Asparagaceae
Subfamily: Brodiaeoideae
Genus: Androstephium
Species:
A. coeruleum
Binomial name
Androstephium coeruleum
(Scheele) Greene
Synonyms[1]

Cultivation and uses

The blue funnel lily is among the first of the prairie flowers to bloom - emerging in February and flowering in March in North Central Texas. There is great variability in the shape and color (sky blue to purple to white) of flowers of the species; they have a faint sweet scent described as "grape-like". The plant is uncommon in its habitat, black soil prairie, and nearly impossible to find among the prairie short grasses in which it grows. Fruit set is infrequent - whether due to loss of native pollinators or self-sterility is unknown - and ripens by late April, when it splits open, presenting the thin, flat black seeds to the wind. The seedling manifests itself as a single thin green leaf - very much like a single strand of thick green hair - and is easily lost in the prairie grasses among which it grows. First year growth results in a spherical bulb 4 mm to 5 mm in diameter. Over the course of several years the plant progressively pulls its corm deeper and deeper into the soil until it has reached a depth of 2.5 cm to 6 cm.[3]

The corm was once eaten in West Texas.[5]

  • Blue funnel lily developing fruit
  • Blue funnel lily dehiscent fruit
  • Blue funnel lily seed
  • Blue funnel lily seedlings
  • Blue funnel lily corm

References
  1. Kew World Checklist of Selected Plant Families
  2. Tropicos, Androstephium caeruleum Torr.
  3. Flora of North America, Vol. 26 Page 333 Androstephium coeruleum (Scheele) Greene, Pittonia. 2: 57. 1890.
  4. Biota of North America Program, 2013 county distribution map, Androstephium caeruleum
  5. Kelly Kindscher (1987), Edible Wild Plants of the Prairie, pages 43-45.
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