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sickle-leaf golden-aster, sickle-leaf silk-grass

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

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
from FNA
CT; FL; MA; NJ; NY; RI
[WildflowerSearch map]
[BONAP county map]
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
P. aspera, P. flexuosa, P. graminifolia, P. oligantha, P. pinifolia, P. ruthii
Synonyms Inula falcata, Chrysopsis falcata, Heterotheca falcata, Inula mariana var. ×falcata
Name authority (Pursh) Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 318. (1840)
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