Penthorum sedoides

Linnaeus

Sp. Pl. 1: 432. 1753,

IllustratedEndemic
Treatment appears in FNA Volume 8. Treatment on page 231.

Stems frequently pink or reddish, especially with age, 1–6(–8) dm, stipitate glands hyaline or reddish brown and often black- or purple-tipped. Leaves: petiole absent or 1–10 mm; blade 2–18(–24) × 0.5–4(–5.5) cm, glabrous or sparsely stipitate-glandular abaxially and adaxially, hairs black- or purple-tipped. Inflorescences secund, 2–7-branched, each branch (6–)10–25(–30)-flowered. Pedicels 0.5–3 mm. Flowers: hypanthium 0.5–1.5 × 1.5–3.5 mm; sepals persistent, erect or spreading, unequal, 0.8–2 × 0.4–1 mm, margins entire or serrulate with 1–4 gland-tipped teeth per side; filaments 1–2 mm; anthers 0.7–1 mm; pistil 3–4 mm; stigmas often purple with age. Seeds 0.5–0.7 × 0.2–0.3 mm, tubercles reddish or pinkish. 2n = 18.


Phenology: Flowering Jul–Oct.
Habitat: Wet soils, stream banks, fresh-water marshes, margins of beaver ponds, pools in floodplain forests, shores, ditches
Elevation: 0-700 m

Distribution

V8 480-distribution-map.gif

B.C., Man., N.B., Ont., Que., Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Okla., Oreg., Pa., R.I., S.C., S.Dak., Tenn., Tex., Vt., Va., Wash., W.Va., Wis.

Discussion

The seeds of Penthorum sedoides were used by the Meskwaki to make cough medicine, and the leaves were used by the Cherokee as a potherb (D. E. Moerman 1998). The species is introduced in southern British Columbia, Oregon, and Washington, where it grows in cranberry bogs.

Selected References

None.

Lower Taxa

None.

... more about "Penthorum sedoides"
Craig C. Freeman +
Linnaeus +
B.C. +, Man. +, N.B. +, Ont. +, Que. +, Ala. +, Ark. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, Nebr. +, N.H. +, N.J. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Okla. +, Oreg. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Vt. +, Va. +, Wash. +, W.Va. +  and Wis. +
0-700 m +
Wet soils, stream banks, fresh-water marshes, margins of beaver ponds, pools in floodplain forests, shores, ditches +
Flowering Jul–Oct. +
Illustrated +  and Endemic +
Penthorum sedoides +
Penthorum +
species +