Lechea stricta
Lechea minor
prairie pinweed
thyme-leaf pinweed
basal produced; flowering erect, 25–45 cm, densely sericeous.
basal produced; flowering erect, 20–50 cm, sparsely sericeous.
of flowering stems alternate or subopposite;
blade narrowly oblanceolate, 13–20 × 1.5–3 mm, apex acute, often mucronate, abaxial surface pilose, adaxial glabrous.
of flowering stems whorled or opposite;
blade elliptic to lanceolate, 8–15 × 4–7 mm, apex acute, abaxial surface pilose on midvein and margins, adaxial sparsely pilose or glabrous.
1 per axil, 1.6–2 mm.
1 per axil, 0.5–2 mm.
calyx 1.6–1.8 mm, outer sepals shorter than inner.
calyx 1.6–2 mm, outer sepals longer than inner.
subglobose to broadly ovoid, (1.8–)2–2.5 × 2–2.5 mm, ± equaling calyx.
ellipsoid to ellipsoid-ovoid, 1.5–2 × 1–1.5 mm, ± equaling calyx.
3–4.
2–3.
Lechea stricta
Lechea minor
Some individuals of Lechea stricta can be difficult to determine with certainty; the extremes of variation of L. stricta often grade into that of L. intermedia and L. pulchella.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Lechea minor may have been extirpated from the Canadian portion of its range.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
IL Wildflowers
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