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| Thelypodium integrifolium | |
|---|---|
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| Thelypodium integrifolium subsp. affine | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Brassicales |
| Family: | Brassicaceae |
| Genus: | Thelypodium |
| Species: | T. integrifolium
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| Binomial name | |
| Thelypodium integrifolium | |
Thelypodium integrifolium is a species of flowering plant in the mustard family known by the common names entireleaved thelypody[2] and foxtail thelypodium. It is native to much of the western United States, including the Great Basin and surrounding plateaus and deserts.[3]
It occurs in several types of habitat, often growing in sandy, mineral-rich, and alkaline soils, such as those on playas.
Description
[edit]Thelypodium integrifolium is a biennial herb producing a hairless, waxy stem with a thick, sturdy base, unbranched or branching toward the top and sometimes becoming quite tall, approaching three meters in maximum height. The thick, waxy leaves are not compound or lobed, having smooth edges. The largest basal leaves may exceed 30 centimetres (12 in) in length. Leaves higher on the plant are shorter and are smooth-edged or toothed.[citation needed]
The inflorescence is a dense, cylindrical, spikelike raceme of white or purplish flowers. The fruit is a silique which may be eight centimetres (3.1 in) long.[citation needed]
Subspecies
[edit]There are five subspecies:
- T. i. ssp. affine - white petals - Mojave Desert (California), Great Basin.[4]
- T. i. ssp. complanatum - mainly limited to the Great Basin; generally with lavender petals.[5]
- T. i. ssp. gracilipes - native to the Four Corners region[citation needed]
- T. i. ssp. integrifolium - widespread in the northern distribution of the species[citation needed]
- T. i. ssp. longicarpum - endemic to Arizona, where it is known only from the Grand Canyon and vicinity[citation needed]
References
[edit]- ^ NatureServe (2023). "Thelypodium integrifolium". Arlington, Virginia. Retrieved 22 December 2023.
- ^ NRCS. "Thelypodium integrifolium". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 9 December 2015.
- ^ Jepson: T. integrifolium
- ^ Jepson: T. i. ssp. affine
- ^ Jepson: T. i. ssp. complanatum
External links
[edit]
- Jepson Manual Treatment: Thelypodium integrifolium
- U.C. Photo gallery: Thelypodium integrifolium ssp. affine
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About
Native to the western U.S.Synonyms
- Entireleaved Thelypody
- Foxtail Thelypodium