individuals living only three to five years. All species have rhizomes, though in densely cespitose species the rhizomes are often very short and inconspicuous, leading
80 KB (3,349 words) - 15:29, 15 December 2020
on midvein consistent with those on stems, glabrous or ± densely hairy, eglandular or ± densely stipitate-glandular, sometimes sessile-glandular, along
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fistulose, (0.1–) 1–2 dm, tomentose to floccose, occasionally glabrous. Leaves cauline, 1 per node; petiole 0.1–1.5 cm, tomentose to floccose; blade lanceolate
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Stems glabrous to tomentose, usually without septate trichomes. Leaf-blades unlobed to deeply divided, faces glabrous to tomentose on one or both, usually
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floccose to tomentose, tomentose among leaves. Leaves basal or cauline on proximal 1/2 of stem, 1 per node; petiole 0.5–2 cm, tomentose to floccose or
16 KB (1,551 words) - 10:31, 30 July 2020
populations in southeastern Utah (e.g., Welsh & Thorne 25091, BRY) have densely tomentose abaxial leaf blades and approach var. munzii. The taxonomic significance
7 KB (1,058 words) - 10:42, 30 July 2020
glabrescent. Inflorescences: branches sparsely to densely villous. Flowers 15–20 mm diam.; hypanthium densely villous; stamens 10, anthers cream or ivory. Pomes
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Shrubs or trees, (20–) 30–60 (–100) dm. Stems: twigs: new growth glabrous or densely pubescent, 1-year old deep reddish-brown, brown, or purple-brown, older
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margins often apically 3-5-lobed, surfaces densely silvery villous, trichomes simple or densely grayish tomentose (mostly dendritic and simple). Smelowskia
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exfoliating; long and short-shoots present; glabrous, rarely densely puberulent to tomentose. Leaves deciduous, rarely persistent or semipersistent, cauline;
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obtuse or acute, occasionally mucronate), faces glabrous or densely villous to tomentose. Receptacles convex, pitted, epaleate. Ray-florets 10–80, pistillate
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leptocladon is worthy of cultivation, especially those expressions with densely white-tomentose inflorescence branches such as found in the Dolores Triangle area
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National Monument in Idaho, var. depressum is a local dominant, the densely white-tomentose plants distinctively spotting the black lava cinder cones and flats
5 KB (1,017 words) - 10:40, 30 July 2020
M. Johnston of Mexico differs in having leaf blades that are densely grayish-tomentose abaxially and strigose adaxially. It occurs in northwestern Coahuila
7 KB (841 words) - 10:46, 30 July 2020
erect or prostrate, rarely decumbent annuals, glabrous or floccose to tomentose or lanate, sometimes sericeous puberulent, or short-pilose; taproot not
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callous denticles or teeth), faces glabrous or hairy (usually arachnose to tomentose, often glabrescent). Heads (sometimes nodding) usually radiate or discoid
30 KB (1,295 words) - 21:10, 29 July 2020
young becoming tan and gray, sometimes fastigiately branched, densely white to grayish tomentose, eglandular. Leaves (sparse to crowded) erect to ascending
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present, central strand usually present, radiculose, occasionally bare or tomentose, axillary hairs several cells in length, sometimes the proximal 1–3 cells
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stolons absent. Stems erect, glabrous, glabrate, puberulent, hirsute, tomentose, or floccose, sometimes glabrescent, stipitate-glandular or eglandular
15 KB (843 words) - 19:14, 29 July 2020
page 540, 542. Shrubs, mostly 30–200 cm. Stems 1–5+, erect to spreading (tomentose to pannose or glabrous, often spiny). Leaves (usually with fascicles of
10 KB (537 words) - 21:25, 29 July 2020