Eriogonum molestum

S. Watson

Proc. Amer. Acad. Arts 17: 379. 1882.

Common names: Pineland wild buckwheat
EndemicConservation concern
Synonyms: Eriogonum vimineum subsp. molestum (S. Watson) S. Stokes
Treatment appears in FNA Volume 5. Treatment on page 422. Mentioned on page 311, 415.

Herbs, erect, 4–10 dm, glabrous, greenish to grayish. Stems: aerial flowering stems erect, 1–4 dm, glabrous. Leaves basal; petiole 1–6 cm, floccose; blade round to reniform, (0.5–)1–4 × (0.5–)1–4 cm, densely white-tomentose abaxially, floccose to glabrate and mostly greenish adaxially. Inflorescences cymose, occasionally distally uniparous due to suppression of secondary branches, open, 30–80 × 10–50 cm; branches straight, not inwardly curved distally, glabrous; bracts 1–3 × 1–3 mm. Peduncles absent. Involucres appressed to branches, cylindric-turbinate, (3.5–)4–5(–7) × 2.5–3 (3.5) mm, glabrous; teeth 5, erect, 0.2–0.4 mm. Flowers 1.5–3 mm; perianth white to pink, rarely pale yellow, glabrous; tepals monomorphic, oblong-obovate; stamens included, 1–1.5 mm; filaments pilose proximally. Achenes brown, 3-gonous, 2–2.5 mm, glabrous. 2n = 40.

Phenology: Flowering May–Sep.
Habitat: Sandy flats and slopes, grassland and chaparral communities, oak and montane conifer woodlands
Elevation: 1100-2200 m


Of conservation concern.

Eriogonum molestum is infrequent to occasionally common in the San Bernardino (San Bernardino County) and San Jacinto (Riverside County) mountains, and in scattered mountain ranges of San Diego County, California. It is easily confused with the perennial E. nudum var. pauciflorum.

Selected References


Lower Taxa

... more about "Eriogonum molestum"
James L. Reveal +
S. Watson +
Eriogonum sect. Oregonium +
Pineland wild buckwheat +
1100-2200 m +
Sandy flats and slopes, grassland and chaparral communities, oak and montane conifer woodlands +
Flowering May–Sep. +
Proc. Amer. Acad. Arts +
Endemic +  and Conservation concern +
Eriogonum vimineum subsp. molestum +
Eriogonum molestum +
Eriogonum subg. Oregonium +
species +