Aconogonon davisiae var. davisiae

Treatment appears in FNA Volume 5. Treatment on page 600. Mentioned on page 599.

Stems pubescent, rarely glabrescent. Leaf blades 2.1–7.5(–9.5) × 1.1–5 cm, base truncate or, rarely, cordate, faces pubescent, rarely glabrescent. Pedicels 0.5–1.7(–2.4) mm, glabrous. Perianths 2–4.5 mm. 2n = 20.


Phenology: Flowering Jun–Aug.
Habitat: Steep subalpine slopes, volcanic fell fields, often on talus or pumice
Elevation: 1200-3100 m

Distribution

V5 1222-distribution-map.gif

Calif., Idaho, Oreg., Wash.

Discussion

Selected References

None.

Lower Taxa

None.

Harold R. Hinds† +  and Craig C. Freeman +
(W. H. Brewer ex A. Gray) Soják +
Polygonum davisiae +
Calif. +, Idaho +, Oreg. +  and Wash. +
1200-3100 m +
Steep subalpine slopes, volcanic fell fields, often on talus or pumice +
Flowering Jun–Aug. +
Aconogonon newberryi +  and Polygonum newberryi +
Aconogonon davisiae var. davisiae +
Aconogonon davisiae +
variety +