Pityopsis falcata

(Pursh) Nuttall

Trans. Amer. Philos. Soc., n. s. 7: 318. 1840.

Basionym: Inula falcata Pursh Fl. Amer. Sept. 2: 532. 1813
Synonyms: Chrysopsis falcata (Pursh) Elliott Heterotheca falcata (Pursh) V. L. Harms Inula mariana var. ×falcata (Pursh) Nuttall
Treatment appears in FNA Volume 20. Treatment on page 223. Mentioned on page 224.

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. Heads (2–)4–10(–25) in corymbiform arrays. Peduncles sparsely bracteolate, 1–4 cm, white-villous. Involucres turbino-campanulate, 5–8 mm. Phyllaries in 5–6 series, apices with tufts of hairs, faces sparsely strigose. 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. 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.

Phenology: Flowering summer–fall.
Habitat: Open areas on sandy glacial deposits, often in pine barrens (Pinus rigida)
Elevation: 10–100 m



Conn., Fla., Mass., N.J., N.Y., R.I.


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.

Selected References


Lower Taxa

... more about "Pityopsis falcata"
John C. Semple +
(Pursh) Nuttall +
Inula falcata +
Conn. +, Fla. +, Mass. +, N.J. +, N.Y. +  and R.I. +
10–100 m +
Open areas on sandy glacial deposits, often in pine barrens (Pinus rigida) +
Flowering summer–fall. +
Trans. Amer. Philos. Soc., n. s. +
Chrysopsis falcata +, Heterotheca falcata +  and Inula mariana var. ×falcata +
Pityopsis falcata +
Pityopsis +
species +