Brickellia coulteri
Brickellia greenei
Coulter's brickellbush
Greene brickellbush, Greene's brickelbush, Greene's brickellbush, Greene's tassel-flower
much branched from bases, pubescent, often gland-dotted.
branched, villous, stipitate-glandular.
opposite;
petioles 4–12 mm;
blades 3-nerved from bases, broadly ovate to deltate, 10–60 × 10–30 mm, bases truncate, hastate, or subcordate, margins usually toothed (1–3 sets of sharp teeth near bases), rarely subentire, apices attenuate, faces minutely pubescent.
alternate;
petioles 0–2 mm;
blades 3-nerved from bases, ovate, 15–30 × 5–25 mm, bases rounded to truncate, margins evenly to irregularly serrate, apices acute, faces viscid-glandular.
5–40 mm, pubescent and sometimes gland-dotted.
0–2 mm.
cylindric to campanulate, 8–12 mm.
broadly cylindric to campanulate, 14–18 mm.
13–25;
corollas pale yellow-green, often purple-tinged, 7–8.2 mm.
44–60;
corollas yellow-green, often purple-tinged, 8–10 mm.
17–22 in 4–6 series, greenish, often purple-tinged, 4–5-striate, unequal, margins scarious (apices acute to acuminate or mucronate, minutely pubescent);
outer lance-ovate to narrowly lanceolate (glabrous or sparsely pubescent), inner narrowly lanceolate to linear (glabrous).
(24–)36–42 in (3–)5–7 series, greenish or stramineous, often purple-tinged, 3–5-striate, unequal, margins narrowly scarious (apices acute to long-acuminate);
outer lance-ovate to lanceolate (sparsely gland-dotted), inner narrowly lanceolate (glabrous).
in loose, paniculiform arrays.
borne singly or in open, cymiform arrays (each head subtended by leaflike bracts).
3–5 mm, hispidulous, strigose, or glandular-pubescent;
pappi of 28–40 smooth or barbellulate bristles.
5.5–7 mm, glabrate to hispidulous;
pappi of 20–30 white, barbellate bristles.
= 18.
Brickellia coulteri
Brickellia greenei
Varieties 3 (2 in the flora}.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
A sweet odor is often associated with Brickellia greenei.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Midstem leaf blades mostly 40–60 mm; peduncles mostly 15–40 mm, mostly glandular-pubescent | var. coulteri |
1. Midstem leaf blades mostly 20–40(–50) mm; peduncles 5–25 mm, pubescent, mostly lacking glandular hairs | var. brachiata |
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