Brickellia coulteri
Brickellia chenopodina
Coulter's brickellbush
chenopod brickellbush
much branched from bases, pubescent, often gland-dotted.
branched, 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 4–10 mm;
blades 3-nerved from bases, rhombic-ovate to lanceolate, 20–50 × 10–40 mm, bases rounded to cuneate, margins entire or irregularly dentate, apices acute, faces glabrous or sparsely gland-dotted.
5–40 mm, pubescent and sometimes gland-dotted.
(leafy) 5–50 mm, stipitate-glandular.
cylindric to campanulate, 8–12 mm.
cylindric to campanulate, 8–9 mm.
13–25;
corollas pale yellow-green, often purple-tinged, 7–8.2 mm.
18–24;
corollas pale yellow-green or greenish white, 5–6 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).
22–26 in 5–6 series, greenish, often purple-tinged, 3–4-striate, subequal or unequal, margins narrowly scarious;
outer lanceolate to lance-ovate (often herbaceous, glandular-hirtellous, equaling or surpassing inner, apices acute to long-attenuate), inner lanceolate to lance-linear (glabrous, apices obtuse to acute).
in loose, paniculiform arrays.
borne singly (terminating lateral branches).
3–5 mm, hispidulous, strigose, or glandular-pubescent;
pappi of 28–40 smooth or barbellulate bristles.
2.5–3 mm, strigose;
pappi of 30–35 white, smooth or barbellulate bristles.
= 18.
Brickellia coulteri
Brickellia chenopodina
Varieties 3 (2 in the flora}.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Of conservation concern.
Brickellia chenopodina is known only from Grants County; it is similar in most respects to B. floribunda and may be little more than a shade form of the latter, with which it is sympatric.
(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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