Lactuca graminifolia
| Lactuca graminifolia | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Lactuca |
| Species: | L. graminifolia
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| Binomial name | |
| Lactuca graminifolia Michx. 1803
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| Synonyms[1] | |
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Lactuca graminifolia, the grassleaf lettuce[2] is a North American species of wild lettuce. It grows in Mexico, Central America, Hispaniola, and the southern United States from Arizona to Florida, Virginia and the Carolinas.[3][4][5][6][7]
Description
[edit]Lactuca graminifolia is a biennial herb in the dandelion tribe within the daisy family growing from a taproot a height of up to 150 cm (5 feet). The top of the stem bears a multibranched inflorescence with many flower heads. Each head contains 15-20 blue or purple ray florets but no disc florets. The fruit is a brown achene.[8]
References
[edit]- ^ The Plant List, Lactuca graminifolia Michx.
- ^ NRCS. "Lactuca graminifolia". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 2 August 2015.
- ^ Biota of North America Program 2014 county distribution map
- ^ SEINet, Southwestern Biodiversity, Arizona chapter, Lactuca graminifolia Michx.
- ^ Tropicos, specimen listing for Lactuca graminifolia Michx.
- ^ Nash, D. L. 1976. Tribe XI, Cichorieae. En Nash, D.L. & Williams, L.O. (eds), Flora of Guatemala - Part XII. Fieldiana, Botany. 24(12): 440–454, 598–603
- ^ Breedlove, D.E. 1986. Flora de Chiapas. Listados Florísticos de México 4: i–v, 1–246
- ^ Flora of North America, Lactuca graminifolia Michaux, 1803.
External links
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