Pityopsis falcata |
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sickle-leaf golden-aster, sickle-leaf silk-grass |
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Habit | Perennials, (10–)20–30(–40) cm; rhizomes 0.5–5 cm. |
Stems | erect, sometimes reddish brown, sometimes branched distally, striate, sparsely to densely long-sericeous. |
Leaves | basal usually withering by flowering, shorter than cauline; cauline spreading to ascending, sessile, blades linear, falcate, often conduplicate, apices acuminate; proximal 50–90 × 2–7 mm, glabrate to sparsely sericeous; distal somewhat smaller, glabrate except for margins. |
Peduncles | sparsely bracteolate, 1–4 cm, white-villous. |
Involucres | turbino-campanulate, 5–8 mm. |
Ray florets | 9–15; corolla laminae 5–8 mm. |
Disc florets | 30–60; corollas 4.5–6 mm, sparsely pilose near base of limbs, lobes 0.5 mm, sparsely pilose. |
Phyllaries | in 5–6 series, apices with tufts of hairs, faces sparsely strigose. |
Heads | (2–)4–10(–25) in corymbiform arrays. |
Cypselae | fusiform, 3–4 mm, ribbed, faces strigose; pappi: outer of linear setiform scales 0.5–1 mm, inner of 30–40 bristles 4–6 mm. |
2n | = 18. |
Pityopsis falcata |
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Phenology | Flowering summer–fall. |
Habitat | Open areas on sandy glacial deposits, often in pine barrens (Pinus rigida) |
Elevation | 10–100 m (0–300 ft) |
Distribution |
CT; FL; MA; NJ; NY; RI
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Discussion | Pityopsis falcata grows on deposits left along the front of the Wisconsin Glaciation. It can be locally abundant in open sandy soils. It was collected once along railroad tracks west of Toronto, Ontario, and also along a beach in St. Petersburg, Florida, in 1955. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 20, p. 223. |
Parent taxa | Asteraceae > tribe Astereae > Pityopsis |
Sibling taxa | |
Synonyms | Inula falcata, Chrysopsis falcata, Heterotheca falcata, Inula mariana var. ×falcata |
Name authority | (Pursh) Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 318. (1840) |
Web links |