Baccharis wrightii
Baccharis angustifolia
Wright's baccharis, Wright's baccharis or false willow
narrowleaf baccharis, saltwater false willow
erect and slender or short and branched, prominently striate-angled, glabrous, eglandular.
erect to ascending, slender, striate, glabrous, resinous.
(reduced) proximal often withered and absent at flowering;
sessile;
blades oblanceolate to narrowly oblong, 5–10(–25) × 1–3(–7) mm (thin), bases narrowed, margins entire or finely serrate (teeth aristate), faces eglandular, not resinous (distal reduced to linear or oblong scales).
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.
broadly campanulate to hemispheric; staminate 5–9 mm, pistillate 9–14 mm.
campanulate; staminate 3–4 mm, pistillate 3.5–5 mm.
20–30;
corollas 3–5 mm.
15–20;
corollas ca. 3 mm.
20–30;
corollas 4.5–6 mm.
15–20;
corollas 2.5 mm.
narrowly lanceolate, 2–6 mm (not keeled), medians green or brown, margins scarious, apices acute or acuminate (erose, abaxial faces glabrous, eglandular).
ovate to lanceolate, 1–4 mm, margins scarious, medians green, sometimes purplish, apices green to purplish, obtuse to acute.
usually borne singly (terminal on slender branches).
(in groups of 3–5 near branch tips) in broad paniculiform arrays (of 100+).
3–5 mm, strongly 5–10-nerved, papillose-roughened, glandular;
pappi 15–20 mm (often brownish).
1–2 mm, 10-nerved, glabrous;
pappi 6–8 mm.
= 18.
Baccharis wrightii
Baccharis angustifolia
Baccharis wrightii is recognized by its bushy, broomlike habit, stems woody only at bases, relatively small, non gland-dotted leaves, early flowering period, heads borne singly, conspicuous, brownish pistillate pappi, and relatively large, strongly nerved cypselae.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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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