Difference between revisions of "Ericameria lignumviridis"
Phytologia 78: 64. 1995.
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Revision as of 18:45, 24 September 2019
Plants 10–30 cm. Stems erect, green when young, becoming tan, branched, glabrous, resinous. Leaves ascending; blades oblanceolate, 7–30 × 1.5–3 mm, midnerves evident, apices acute to apiculate, faces glabrous, resinous; axillary leaf fascicles usually present, much shorter than subtending leaves. Heads (3–8) in cymiform arrays. Peduncles 1–12 mm (bracts 0–3, scalelike). Involucres obconic, 12–15 × 4–8 mm. Phyllaries 18–28 in 3–4 series, tan, ovate or lanceolate to elliptic, 8–12 × 1–2.5 mm, subequal, outer herbaceous-tipped, inner mostly chartaceous, apices erect, acute or acuminate to cuspidate, abaxial faces glabrous, resinous. Ray florets 5–8; laminae 3–4 × 0.7–2 mm. Disc florets 8–12; corollas 9–10.5 mm. Cypselae tan to reddish, ellipsoid, ca. 5 mm, densely hairy; pappi off-white to brown, 7.5–9 mm.
Phenology: Flowering late summer–fall.
Habitat: Riparian areas with willows, nettles, and other bottomland plants
Elevation: ca. 1900 m
Discussion
Of conservation concern.
Selected References
None.