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ditch-stonecrop, Virginia penthorum

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.

Penthorum sedoides

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 (0-2300 ft)
Distribution
from FNA
AL; AR; CT; DC; DE; FL; GA; IA; IL; IN; KS; KY; LA; MA; MD; ME; MI; MN; MO; MS; NC; ND; NE; NH; NJ; NY; OH; OK; OR; PA; RI; SC; SD; TN; TX; VA; VT; WA; WI; WV; BC; MB; NB; ON; QC
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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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 8, p. 231.
Parent taxa Penthoraceae > Penthorum
Name authority Linnaeus: Sp. Pl. 1: 432. (1753)
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