Description
provided by eFloras
Perennials, (20–)30–70 cm; taprooted. Stems loosely tomentose, not glandular. Leaf blades narrowly oblanceolate, 3–8 cm × 3–6 mm (gradually smaller distally, becoming linear), bases not clasping, decurrent 5–14 mm, margins flat, faces concolor, loosely tomentose, sessile-glandular beneath tomentum. Heads in loose to dense, corymbiform to paniculiform arrays. Involucres turbinate-campanulate, (4–)5–6 mm. Phyllaries in 3–4(–5) series, whitish (hyaline or opaque, usually shiny, sometimes dull), ovate to ovate-oblong (outer broadly acute, inner rounded-apiculate), glabrous. Pistillate florets 35–55. Bisexual florets (2–)4–7. Cypselae ridged, densely papillate-roughened.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
provided by eFloras
Gnaphalium thermale E. E. Nelson, Bot. Gaz. 30: 121. 1900; G. canescens de Candolle subsp. thermale (E. E. Nelson) Stebbins & D. J. Keil; G. johnstonii G. N. Jones; G. microcephalum Nuttall var. thermale (E. E. Nelson) Cronquist; G. microcephalum subsp. thermale (E. E. Nelson) G. W. Douglas; Pseudognaphalium canescens (de Candolle) Anderberg subsp. thermale (E. E. Nelson) Kartesz; P. microcephalum (Nuttall) Anderberg var. thermale (E. E. Nelson) Dorn
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA