Comments
(
englanti
)
tarjonnut eFloras
Wyethia amplexicaulis introgressively hybridizes with W. arizonica (producing plants called W. ×magna A. Nelson ex W. A. Weber) across a broad area of central and southern Colorado. Habit of the hybrid is typical of W. amplexicaulis; the indument resembles that of W. arizonica in varying degrees. Occasionally, W. amplexicaulis hybridizes with but does not introgress with W. helianthoides.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
(
englanti
)
tarjonnut eFloras
Plants 25 –50(–100) cm. Basal leaves: blades (green, shining) lance-elliptic or oblong-lanceolate to lanceolate, 15–30(–40+) cm, margins usually entire, sometimes denticulate or dentate, not ciliate, faces glabrous (gland-dotted, vernicose); cauline leaves similar, smaller distally (distalmost sessile, usually ± clasping). Heads usually 2–8 in ± corymbiform to racemiform arrays, sometimes borne singly. Involucres hemispheric to turbinate, 15–30 mm diam. Phyllaries 18–36+, subequal or unequal, herbaceous (at least outer), margins not ciliate, faces glabrous; outer 18–32 mm (surpassing inner). Ray florets 8–21(–25); laminae 25–60 mm. Cypselae 8–9 mm, glabrous. 2n = 38.
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- cc-by-nc-sa-3.0
- tekijänoikeus
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
(
englanti
)
tarjonnut eFloras
Espeletia amplexicaulis Nuttall, J. Acad. Nat. Sci. Philadelphia 7: 38. 1834; Wyethia amplexicaulis subsp. major Piper; W. amplexicaulis subsp. subresinosa Piper; W. lanceolata Howell
- lisenssi
- cc-by-nc-sa-3.0
- tekijänoikeus
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA