Antennaria racemosa |
Antennaria dimorpha |
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racemose pussytoes |
low pussytoes |
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Habit | Herbs dioecious; stolons 3–8 cm. | Herbs dioecious; stolons absent. |
Stems | 12–50 cm, distally stipitate-glandular. |
0.5–4 cm, not glandular. |
Basal leaves | usually forming rosettes, elliptic to oblong, 30–100 × 10–40 mm, prominently 3-veined; tips mucronate; surfaces abaxially white- or gray-tomentose, adaxially glabrous. |
linear to narrowly spatulate, 8–11 × 1–1.2 mm, 1-veined; tips acute; surfaces gray-tomentose. |
Cauline leaves | linear, 10–30 mm; tips acute to obtuse, not flagged. |
linear to oblanceolate, 7–12 mm; tips acute, not flagged. |
Involucres | mostly glabrous, staminate heads 4–8 mm, pistillate heads 7–9 mm. |
glabrous to pubescent, staminate heads 6–8 mm, pistillate heads 10–11 mm. |
Phyllaries | distally light brown or white; tips acute to acuminate. |
distally light brown; tips acute-acuminate. |
Fruits | 1–1.5 mm, glabrous to papillate. |
2–3.5 mm, pubescent. |
Heads | 3–12 per stem; raceme- or panicle-like arrays. |
solitary. |
2n | =28. |
=28, 56. |
Antennaria racemosa |
Antennaria dimorpha |
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Distribution | ||
Discussion | Forests, rocky or grassy slopes. Flowering May–Aug. 100–2100 m. BW, Casc, CR, ECas, Sisk. CA, ID, WA. North to British Columbia, northeast to Alberta, east to WY. Native. Within the genus, A. racemosa is a very distinctive species with broad basal leaves that are adaxially glabrous and green, abaxially densely white-tomentose, and with a raceme- or panicle-like arrangement of heads. |
Dry ground, often in rocky or sandy soils. Flowering Mar–Jun. 50–2300 m. BR, BW, Col, ECas, Lava, Owy, Sisk. CA, ID, NV, WA; north to British Columbia, northeast to Saskatchewan, east to NE, southeast to NM. Native. |
Source | Flora of Oregon, volume 2, page 179 Katie Mitchell, Stephen Meyers |
Flora of Oregon, volume 2, page 176 Katie Mitchell, Stephen Meyers |
Sibling taxa | ||
Synonyms | Antennaria dimorpha var. dimorpha | |
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