Turritis glabra
Sp. Pl. 2: 666. 1753.
Plants (3–)4–12(–15) dm, sparsely to densely pilose basally, glabrous distally, trichomes simple and short-stalked, forked. Basal leaves: blades spatulate, oblanceolate, or oblong, (4–)5–12(–15) cm × 10–30 mm, apex obtuse, surfaces usually pubescent, rarely glabrous. Cauline leaves: blade lanceolate, oblong-elliptic, or ovate, 2–9(–12) cm × (5–)10–25(–40) mm, apex acute. Fruiting pedicels appressed to rachis, (6–)7–16(–20) mm, glabrous. Flowers: sepals (2.5–)3–5 × 0.5–1.2 mm, glabrous; petals 5–8.5 × 1.3–1.7 mm; filaments slender, median pairs 3.5–6.5 mm, lateral pair 2.5–4.5 mm; anthers 0.7–1.5 mm. Fruits (3–)4–10(–12.5) cm × 0.7–1.5 mm; style 0.5–0.8(–1) mm. Seeds 0.6–1.2 × 0.5–0.9 mm. 2n = 12, 16, 32.
Phenology: Flowering Apr–Jul.
Habitat: Forest margins, fields, roadsides, stream banks, disturbed sites, mountain slopes, woods, meadows
Elevation: 0-2800 m
Distribution
Alta., B.C., Man., N.B., N.W.T., Ont., Que., Sask., Yukon, Alaska, Ariz., Calif., Colo., Conn., Idaho, Ill., Ind., Iowa, Maine, Mass., Mich., Minn., Mo., Mont., Nebr., Nev., N.H., N.Mex., N.Y., N.C., Ohio, Oreg., Pa., S.Dak., Tenn., Utah, Vt., Va., Wash., W.Va., Wis., Wyo., Europe, sw Asia, n Africa, introduced in Australia.
Discussion
Selected References
None.