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Comments ( englanti )

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Senecio mohavensis is similar to S. flavus (Decaisne) Schultz-Bipontinus of the Mediterranean region and southwest Asia, which raises phytogeographic questions (cf. A. Liston et al. 1989; Liston and J. W. Kadereit 1995; M. Coleman et al. 2001). The last cited study showed that a previously recognized variety of S. flavus is more closely related to S. mohavensis than to S. flavus and a new combination was made: S. mohavensis subsp. brevifolius (Kadereit) M. Coleman.
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Flora of North America Vol. 20: 542, 548, 563 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Description ( englanti )

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Annuals, 10–30(–40) cm (tap­roots often twisted). Herbage (sometimes purple-tinged) glabrous. Stems usually 1 (freely branching upward). Leaves equally distributed; petiolate; blades ovate to obovate, 2–6 × 0.5–2(–4) cm, bases tapered, margins coarsely lobed or irregularly dentate (mid and distal leaves similar, bases expanded, truncate to cordate, clasping, 1–2 cm across). Heads 3–10 in loose, cymiform arrays. Calyculi of 3–5+ lance-linear bractlets. Phyllaries ± 8 or ± 13, 6–7 mm, tips green. Ray florets 0 or 1–3+; corolla laminae 0.1–1 mm (little expanded, barely, if at all, surpassing phyllaries; sometimes laminae 0 and heads perhaps technically disciform). Cypselae hairy. 2n = 40.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliografinen lainaus
Flora of North America Vol. 20: 542, 548, 563 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Senecio mohavensis ( englanti )

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Senecio mohavensis, known by the common name Mojave ragwort, is a species of flowering plant in the aster family.[1][2]

Distribution and habitat

The annual herb is native to the Mojave Desert in California, northwestern Arizona, and southwestern Nevada (southwestern United States); and to the Sonoran Desert in California and Arizona, and Baja California and Sonora (northwestern Mexico).[3]

It grows in sandy and rocky habitats, often in Creosote bush scrub.

Description

Senecio mohavensis produces a single branching erect stem up to 30 or 40 centimeters in maximum height from a twisted taproot. It is mostly hairless and green to purple in color.

The leaves have lobed or toothed blades a few centimeters long, the lower on short petioles and those higher on the plant with wide bases that clasp the stem.

The inflorescence is a spreading array of several flower heads filled with yellow disc florets, typically numbering between 15 and 30.[4] Some heads have tiny ray florets that may be tucked out of view within the phyllaries. The phyllaries are typically green, hairless, mostly fused, and measure about a third of an inch.[4] The bloom period is March to May, and the plant's toxicity is Minor Dermatitis.[5]

References

  1. ^ USDA, NRCS (n.d.). "Senecio mohavensis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 10 November 2015.
  2. ^ Flora of North America: Senecio mohavensis
  3. ^ SEINet, Arizona−New Mexico Chapter: Senecio mohavensis (Mojave ragwort)
  4. ^ a b Southwest, The American. "Mojave Ragwort, Senecio Mohavensis". www.americansouthwest.net. Retrieved 2018-06-15.
  5. ^ "Calflora: Senecio mohavensis". www.calflora.org. Retrieved 2018-06-15.

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Senecio mohavensis: Brief Summary ( englanti )

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Senecio mohavensis, known by the common name Mojave ragwort, is a species of flowering plant in the aster family.

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Senecio mohavensis ( Indonesia )

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Senecio mohavensis adalah spesies tumbuhan yang tergolong ke dalam famili Asteraceae. Spesies ini juga merupakan bagian dari ordo Asterales. Spesies Senecio mohavensis sendiri merupakan bagian dari genus Senecio.[1] Nama ilmiah dari spesies ini pertama kali diterbitkan oleh A.Gray.

Referensi

  1. ^ "Senecio". The Plant List. Diakses tanggal 23 April 2015.



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Senecio mohavensis: Brief Summary ( Indonesia )

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Senecio mohavensis adalah spesies tumbuhan yang tergolong ke dalam famili Asteraceae. Spesies ini juga merupakan bagian dari ordo Asterales. Spesies Senecio mohavensis sendiri merupakan bagian dari genus Senecio. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh A.Gray.

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Senecio mohavensis ( vietnam )

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Senecio mohavensis là một loài thực vật có hoa trong họ Cúc. Loài này được A.Gray miêu tả khoa học đầu tiên năm 1884.[1]

Chú thích

  1. ^ The Plant List (2010). Senecio mohavensis. Truy cập ngày 4 tháng 6 năm 2013.

Tham khảo

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Senecio mohavensis: Brief Summary ( vietnam )

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Senecio mohavensis là một loài thực vật có hoa trong họ Cúc. Loài này được A.Gray miêu tả khoa học đầu tiên năm 1884.

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