Pectis linearifolia
Florida chinchweed, Florida cinchweed
decumbent to erect (very leafy), glabrous or puberulent (in decurrent lines).
linear, 10–50 × 1–3 mm, margins with 2–6 pairs of setae, faces glabrous (abaxial dotted submarginally with round oil-glands 0.2–0.5 mm).
0–1 mm.
narrowly campanulate to cylindric.
5;
corollas 4.5–5.5 mm.
4–10;
corollas 2.5–3 mm (2-lipped).
distinct, linear or linear-oblanceolate, 5–6 × 1–1.5 mm (dotted with scattered, elliptic oil-glands 0.4–0.5 mm).
borne singly or in congested, (leafy) cymiform arrays.
2.25–3.25 mm, puberulent;
pappi (ray and disc similar) of 2–5 antrorsely barbed bristles or awns 1.5–2.5 mm plus shorter, barbellate scales.
= 48.
Pectis linearifolia
Reports of Pectis linearifolia from Jamaica were based on misidentifications of diminutive, short-peduncled individuals of P. glaucescens (D. J. Keil 1986). In Florida, P. linearifolia and P. glaucescens are largely allopatric; they occasionally occur in mixed populations. No hybrids are known.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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