Lomatium canbyi
Gerald D. Carr

Flora of Oregon

Plants acaulescent.

Roots globose tubers, elongate and slender portion above tubers < 4 cm, slender and elongate taproots below tubers easily detached.

Caudices simple or 2–5-branched; basal leaf sheaths from pre­vious years slowly weathering into a thatch of chaffy or charta­ceous scales at base of pseudoscape.

Stems absent; pseudoscapes 2–5 cm, subterranean.

Basal leaves glabrous, glaucous; primary leaflets pinnate, 4–6 secondary leaflet pairs along each rachis, laterals up to half of central primary in length; secondaries pinnate or pinnatifid; tertiaries entire or pinnatifid (2–3-lobed); ultimate apical lobes elliptic, oblong, spatulate, 3–6.3 × 0.7–1.2 mm, tips obtuse or rounded, shortly cuspidate.

Cauline leaves 0.

Inflorescences peduncles 1–5, 5–17 cm, glabrous; involucral bracts 0; rays 5–17, 1–6 cm, glabrous; involucel bractlets 3–7, spatulate, narrowly oblanceolate, 2.5–5 × 0.5–1 mm; umbellets 10–20-flowered; pedicels 6–16 mm.

Flowers petals white; anthers purple.

Fruits elliptic, obelliptic, 8–15 mm, glabrous; body 3–4 mm wide; wings 1–2.5 mm, thin, wing wider at fruit base; vittae 1–3 in intervals, 2–6 on commissure.

2n=22.

Gravel, clay, sandy or rocky slopes and flat, scrubland. Flowering Mar–May. 300–2200 m. BR, BW, Col, Lava, Owy. CA, ID, WA; NC. Native.

Photo images

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Herbarium specimens

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