Holodiscus microphyllus var. microphyllus

Short-shoot leaf surfaces sessile- and/or stipitate-glandular, abaxial gray to off-white, veins, intercostal regions, and margins frequently obscured by hairs, tomentose to villous, often with white to gray granular deposits, adaxial puberulent, short-hirsute, velutinous to villous, sometimes hairs very short and surface appearing green to gray-green. Inflorescences 2–9 × 1–7 cm. Pedicels 2–3 mm. Flowers: nectar disc slightly pilose to puberulent, sometimes glabrous; sepals densely pilose to tomentose, usually eglandular; petal base abaxially with few, scattered long hairs.

Phenology: Flowering Apr-–Aug.
Habitat: Rock outcrops, rocky sites in sagebrush and bitterbrush shrublands, edges of talus slopes
Elevation: 500-–3100 m

Distribution

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• Legacy Map

Ariz., Calif., Colo., Idaho, Nev., Oreg., Utah, Wyo., Mexico (Baja California).

Discussion

Variety microphyllus has the widest range of the varieties. Individual populations are generally small and isolated.

Selected References

None.

Lower Taxa

None.