dcsimg

Comments ( англиски )

добавил eFloras
Although the two varieties of Gutierrezia texana are similar, the geographic demarcation between them appears to be sharp, and a detailed investigation of their biologic interaction would be interesting.
лиценца
cc-by-nc-sa-3.0
авторски права
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
библиографски навод
Flora of North America Vol. 20: 89, 91 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
извор
Flora of North America @ eFloras.org
уредник
Flora of North America Editorial Committee
проект
eFloras.org
изворно
посети извор
соработничко мреж. место
eFloras

Description ( англиски )

добавил eFloras
Annuals, 10–80(–100) cm. Stems glabrous. Leaves: proximal usually absent at flowering; cauline blades 1- or 3-nerved, linear , 1.5–4 mm wide, reduced distally. Heads in loose arrays. Involucres campanulate to obconic, 2–4.5 mm diam.. Phyllary apices flat. Ray florets 5–23; corollas yellow, 3–6 mm. Disc florets 7–48 (bisexual and fertile or functionally staminate). Cypselae 1.3–1.8 mm, faces without oil cavities, loosely strigose (hairs appressed, apices acute, microscopically 2-pronged); pappi of 1 series of spreading-erect, oblong to ovate or obovate scales 0.1–0.5 mm (bases sometimes connate, usually shorter in rays, sometimes 0 in var. texana).
лиценца
cc-by-nc-sa-3.0
авторски права
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
библиографски навод
Flora of North America Vol. 20: 89, 91 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
извор
Flora of North America @ eFloras.org
уредник
Flora of North America Editorial Committee
проект
eFloras.org
изворно
посети извор
соработничко мреж. место
eFloras

Synonym ( англиски )

добавил eFloras
Hemiachyris texana de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 314. 1836; Xanthocephalum texanum (de Candolle) Shinners
лиценца
cc-by-nc-sa-3.0
авторски права
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
библиографски навод
Flora of North America Vol. 20: 89, 91 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
извор
Flora of North America @ eFloras.org
уредник
Flora of North America Editorial Committee
проект
eFloras.org
изворно
посети извор
соработничко мреж. место
eFloras

Gutierrezia texana ( англиски )

добавил wikipedia EN

Gutierrezia texana is a North American species of flowering plant in the family Asteraceae known by the common name Texas snakeweed. It is native to the south-central United States (New Mexico, Texas, Oklahoma, southwestern Arkansas, northwestern Louisiana) and northern Mexico as far south as Guanajuato and Hidalgo.[2]

Gutierrezia texana is an annual, hairless herb up to 100 cm (39 in) in height. The plant produces numerous flower heads in loose arrays. Each head usually has 5-36 ray flowers (though sometimes no rays) plus 7–48 disc flowers.[3]

Varieties[1][3]
  • Gutierrezia texana var. glutinosa (S.Schauer) M.A.Lane
  • Gutierrezia texana var. texana

References

лиценца
cc-by-sa-3.0
авторски права
Wikipedia authors and editors
изворно
посети извор
соработничко мреж. место
wikipedia EN

Gutierrezia texana: Brief Summary ( англиски )

добавил wikipedia EN

Gutierrezia texana is a North American species of flowering plant in the family Asteraceae known by the common name Texas snakeweed. It is native to the south-central United States (New Mexico, Texas, Oklahoma, southwestern Arkansas, northwestern Louisiana) and northern Mexico as far south as Guanajuato and Hidalgo.

Gutierrezia texana is an annual, hairless herb up to 100 cm (39 in) in height. The plant produces numerous flower heads in loose arrays. Each head usually has 5-36 ray flowers (though sometimes no rays) plus 7–48 disc flowers.

Varieties Gutierrezia texana var. glutinosa (S.Schauer) M.A.Lane Gutierrezia texana var. texana
лиценца
cc-by-sa-3.0
авторски права
Wikipedia authors and editors
изворно
посети извор
соработничко мреж. место
wikipedia EN