Eriogonum eastwoodianum

Plants herbs, erect, 2–5 dm tall, tomentose, greenish-gray to gray; aerial flowering stems erect, (0.4) 0.8–1.5 dm long, tomentose; leaves basal, the petioles 2–8 cm long, tomentose, the blades suborbiculate, 1–3 cm long and wide, white-tomentose abaxially, subglabrous and greenish adaxially; inflorescences cymose, open, 10–40 cm long and wide, the branches tomentose, the bracts 1–5 (6) mm long, 1–2 mm wide; peduncles erect, straight, slender, 1–3.5 cm long, tomentose; involucres terminal at tips of slender branchlets at least proximally, not appressed to branches, turbinate, 2–2.5 mm long, 1.5–2 mm wide, tomentose, the teeth 5, erect, 0.6–0.9 mm long; flowers 1.5–2.5 (3) mm long, the perianth white, glabrous, the tepals monomorphic, elliptic to oblong-obovate, the stamens included, 0.7–1.2 mm long, the filaments usually pilose proximally; styles 0.1– 0.3 mm long; achenes brownish, trigonous, 1.6–2 (2.5) mm long; beak granular. 2n = 34.

All the pictures of Eriogonum eastwoodianum have been taken on June 4th 2016 in the Parkfield Grade area, Monterey county. 36°2’37” N 120°28’11” W.

UZ5A0798

Flowering May-Sep. Sandy shale outcrops and slopes, mixed grassland communities, oak and pine woodlands; (200) 500–1000 m; known only from two disjunct locations in the Silver Creek Canyon area of Fresno County, California, and the other on Parkfield Grade area in Monterey and San Luis Obispo cos.

UZ5A0776

Involucres terminal at tips of slender branchlets at least proximally, not appressed to branches, turbinate, 2–2.5 mm long, 1.5–2 mm wide, tomentose, the teeth 5, erect, 0.6–0.9 mm long.

UZ5A0804

Leaves basal, the petioles 2–8 cm long, tomentose, the blades suborbiculate, 1–3 cm long and wide, white-tomentose abaxially, subglabrous and greenish adaxially.

UZ5A0752

Flowers 1.5–2.5 (3) mm long, the perianth white, glabrous, the tepals monomorphic, elliptic to oblong-obovate, the stamens included, 0.7–1.2 mm long, the filaments usually pilose proximally.

UZ5A0719

Leaves basal, the petioles 2–8 cm long, tomentose, the blades suborbiculate, 1–3 cm long and wide, white-tomentose abaxially, subglabrous and greenish adaxially.

UZ5A0824

Achenes brownish, trigonous, 1.6–2 (2.5) mm long; beak granular.

UZ5A0734

UZ5A0801