Lechea racemulosa
Lechea divaricata
Illinois pinweed
dry-sand pinweed, spreading pinweed
basal produced; flowering erect, 25–40 cm, sparsely sericeous.
basal not produced; flowering erect, 25–60 cm, spreading-villous.
of flowering stems opposite to subopposite;
blade linear-lanceolate to narrowly oblanceolate, 10–20 × 1–1.5 mm, apex acute, usually indurate, abaxial surface sparsely pilose on midvein and margins, adaxial glabrous.
of flowering stems alternate;
blade lanceolate to elliptic-lanceolate, 5–8 × 1–3 mm, apex acute, abaxial surface villous on midvein and margins, adaxial glabrous.
1 per axil, 1–2 mm.
1 per axil, 1–1.5 mm.
calyx 1.8–2 mm, indurate, shiny, yellow-brown basally in fruit, outer sepals shorter than or equaling inner.
calyx 1.3–1.5 mm, usually lightly colored basally, outer sepals shorter than inner.
ellipsoid to ovoid, 1.5–2 × 1–1.2 mm, ± equaling to slightly longer than calyx.
ellipsoid, 1.8–2 × 1.6–1.7 mm, longer than calyx.
(1–)2(–3).
1(–3), membranous coat white.
Lechea racemulosa
Lechea divaricata
Of conservation concern.
Lechea divaricata is endemic to peninsular Florida but apparently absent from the Florida Keys. A report of L. divaricata from Alabama was based on a misidentified specimen of L. mucronata (D. D. Spaulding 2013).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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