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Lupinus texensis

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Title: Lupinus texensis  
Author: World Heritage Encyclopedia
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Subject: Lupinus, Alamo Fire, Symbols of Texas, Texas Cavalry Medal, Utility cooperative
Collection: Endemic Flora of Texas, Lupinus, Symbols of Texas
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Lupinus texensis

Lupinus texensis
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Tribe: Genisteae
Genus: Lupinus
Species: L. texensis
Binomial name
Lupinus texensis
Hook.

Lupinus texensis, the Texas lupine[1] or Texas bluebonnet, is a species of lupine endemic to Texas. With other related species of lupines also called bluebonnets, it is the state flower of Texas.[2]

It is a biennial plant which begins its life as a small, gravel-like seed. The seed has a hard seed coat that must be penetrated by wind, rain, and weather over the course of a few months (but sometimes several years). In the fall, the bluebonnets emerge as small seedings with two cotyledons, and later a rosette of leaves that are palmately compound with 5-7 leaflets 3-10 cm long, green with a faint white edge and hair. Growth continues over the mild winter months and then in the spring will take off and rapidly grow larger, before sending up a 20-50 cm tall plume of blue flowers (with bits of white and occasionally a tinge of pinkish-red). The scent of these blossoms has been diversely described; many people say they give off no scent at all, while a few have described the scent as 'sickly sweet'.

It has been found in the wild with isolated mutations in other colors, most notably all-white flowers, pink, and maroon. These mutations have since been selectively bred to produce different color strains that are available commercially.

References

  1. ^ "Lupinus texensis".  
  2. ^ How did bluebonnets become state flower?
  • Lupinus texensisGermplasm Resources Information Network:
  • Lupinus texensisTexas Endemics: Distribution of
  • Lupinus texensisUniversity of Texas at Austin:
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