Comments
provided by eFloras
Xylorhiza cognata is known only from Riverside County.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
provided by eFloras
Shrubs, 50–150 cm. Stems branched to near apices, glabrescent (younger stems and branches stipitate-glandular). Leaf blades spatulate to ovate, 3–20 mm wide, bases attenuate, subclasping, margins flat, coarsely spinulose-toothed, faces glabrous, sparsely stipitate-glandular. Peduncles 5–11(–20) cm. Involucres 15–20 × 20–40 mm. Phyllaries loosely appressed, outermost (at least margins) stipitate-glandular, innermost shorter than mid. Ray florets (12–)20–29(–32); corollas light blue to violet. Style-branch appendages shorter than stigmatic lines. 2n = 12.
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
provided by eFloras
Aster cognatus H. M. Hall, Univ. Calif. Publ. Bot. 6: 173. 1915; Machaeranthera cognata (H. M. Hall) Cronquist & D. D. Keck
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
