Difference between revisions of "Corispermum hookeri"

Mosyakin

Novon 5: 349. 1995.

Treatment appears in FNA Volume 4. Treatment on page 318. Mentioned on page 315.
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Latest revision as of 17:04, 6 November 2020

Plants branched from base, 10–40(–60) cm, sparsely covered with dendroid and almost stellate hairs. Leaf blades narrowly lanceolate or linear-lanceolate, plane, 2–5 × (0.1–)0.2–0.5(–0.6) cm. Inflorescences usually dense, ovoid, ovate-clavate, or ovate-cylindric, rarely interrupted near base. Bracts ovate or ovate-lanceolate, 0.5–1.5(–2) × 0.3–1 cm. Perianth segment 1. Fruits usually deep olive green, brown, or rarely to almost black, usually without spots and/or warts, or occasionally spotted, strongly convex abaxially, prominently concave to almost plane adaxially, usually broadest beyond middle, (3.2–)3.5–4.5(–5) × 2.2–3.3(–3.5) mm; wing (when present) semitranslucent, to 0.2 mm wide, margins entire, apex rounded or indistinctly triangular.

Distribution

V4 612-distribution-map.gif

Alta., B.C., Man., N.W.T., Ont., Sask.

Discussion

Varieties 2 (2 in the flora).

The inflorescence bracts of Corispermum hookeri are conspicuously imbricate (usually strongly overlapping). Corispermum hookeri seems to be closely related to the narrow-winged taxa, C. villosum and C. ochotense, and to C. pallasii sensu stricto. The names C. orientale and C. hyssopifolium have been commonly misapplied to this species.

Selected References

None.

Key

1 Inflorescences dense throughout, rarely interrupted. Fruits oblong-obovate to obovate Corispermum hookeri var. hookeri
1 Inflorescences dense only at apex, interrupted. Fruits elongate to oblong-obovate Corispermum hookeri var. pseudodeclinatu