Baccharis malibuensis
Baccharis neglecta
Malibu baccharis, Malibu baccharis or coyote brush
linear-leaf false willow, roosevelt or New Deal weed, rooseveltweed
erect to arching, striate-angled, glabrous or sparsely villous distally (hairs short, spreading).
(sometimes in clumps) erect, striate-angled, glabrous, eglandular.
present at flowering (sparse); short-petiolate;
blades (1- or 3-nerved) linear to linear-oblanceolate, (15–)20–45(–65) × 1–4(–5) mm, bases narrowly attenuate, margins entire or weakly serrate, apices acute or acuminate (crustose);
faces glabrous or sometimes sparsely pilose (hairs 2-seriate), adaxial gland-dotted (in pits; distal leaves reduced, crowded).
present at flowering;
sessile;
blades (1-nerved, lateral veins obscure) narrowly elliptic to linear, 30–80 × 1–2(–5) mm (moderately thick), bases narrowly attenuate, margins entire or serrate with 2–3 small teeth, apices acute, faces glabrous, gland-dotted (distal reduced, entire).
turbinate;
staminate ca. 5 mm, pistillate ca. 5 mm.
cylindro-campanulate;
staminate 3.5–4 mm, pistillate 4–5 mm.
35–38;
corollas 2.2–4.2 mm.
15–30;
corollas 2.5–3.3 mm.
23–36;
corollas 3.7–4.5 mm.
10–15;
corollas 2.7–3.3 mm.
linear-lanceolate, 2–5 mm, margins yellowish white, scarious, medians green, apices becoming brown with age, ciliate distally.
ovate to lanceolate, 1–3 mm, margins yellowish, often scarious, medians green or reddish, apices acute to acuminate (often purplish, sometimes erose).
in cylindric paniculiform arrays.
(axillary and terminal on lateral branches) in pyramidal, paniculiform arrays.
2.4–3 mm, 5-nerved, faces with thick, irregular, glandlike hairs;
pappi 6.5–7.5 mm.
1–1.5 mm, 10-nerved, glabrous;
pappi 7–12 mm.
Baccharis malibuensis
Baccharis neglecta
Of conservation concern.
Baccharis malibuensis is known only from the Malibu Creek drainage area in the Santa Monica Mountains (Los Angeles County). It is distinguished by its narrow, often conduplicate and glabrate leaves, cylindric arrays, and summer flowering. According to Beauchamp and Henrickson, it appears to be closely related to and possibly derived from B. plummerae, from which it differs primarily in leaf size, teeth, and indument.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
As circumscribed here, Baccharis neglecta is known north of Mexico only from central Texas, mostly on the Edwards Plateau. It is recognized by its tall and erect habit, very narrow leaves with small shallow teeth, pyramidal arrays, and 10-ribbed cypselae. It is most similar to B. salicina and may represent a xeromorphic, narrow-leaf form or variety of that species. Baccharis neglecta invades rangelands and pastures, forming dense stands. It is an especially aggressive invader of land converted from crops to pasture and it is a prolific seed producer; it readily resprouts when burned or cut.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
CA
WildflowerSearch
iNaturalist
USDA Plants Database
