Baccharis angustifolia
narrowleaf baccharis, saltwater false willow
erect to ascending, slender, striate, glabrous, resinous.
present at flowering;
sessile;
blades (1-nerved) 20–60 × 1–2(–5) mm, ± succulent, bases narrowly attenuate, margins mostly entire, apices acute, faces glabrous, not gland-dotted.
campanulate; staminate 3–4 mm, pistillate 3.5–5 mm.
15–20;
corollas ca. 3 mm.
15–20;
corollas 2.5 mm.
ovate to lanceolate, 1–4 mm, margins scarious, medians green, sometimes purplish, apices green to purplish, obtuse to acute.
(in groups of 3–5 near branch tips) in broad paniculiform arrays (of 100+).
1–2 mm, 10-nerved, glabrous;
pappi 6–8 mm.
Baccharis angustifolia
Baccharis angustifolia is most commonly found in brackish, marshy areas near the coast of Atlantic and Gulf coastal plains. It is easily recognized by its 1-nerved, relatively narrow and fleshy, entire leaves, and the more or less pyramidal arrays of relatively small heads. Rarely, some specimens have slightly broader leaves with an occasional tooth, perhaps due to introgression with B. halimifolia.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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