Polygonaceae

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Plantae Tracheophyta Magnoliopsida Caryophyllales Polygonaceae
Eriogonum ternatum Howell

Eriogonum ternatum Howell

Eriogonum ternatum Howell

Eriogonum ternatum, or ternate buckwheat, is a yellow-flowered perennial wild buckwheat native to California and Oregon mountains.

Eriogonum angulosum Benth.

Eriogonum angulosum Benth.

Eriogonum angulosum Benth.

Eriogonum angulosum is an annual herb with angled inflorescences and small white to pink-tinged flowers.

Eriogonum gracillimum S.Watson

Eriogonum gracillimum S.Watson

Eriogonum gracillimum S.Watson

Rose and white buckwheat (Eriogonum gracillimum) is a spindly annual wild buckwheat endemic to California.

Eriogonum spergulinum A.Gray

Eriogonum spergulinum A.Gray

Eriogonum spergulinum A.Gray

Eriogonum spergulinum A.Gray is a variable-form annual buckwheat with sparse leaves and small white clustered flowers.

Eriogonum apiculatum S.Watson

Eriogonum apiculatum S.Watson

Eriogonum apiculatum S.Watson

San Jacinto buckwheat (Eriogonum apiculatum) is an endemic California annual wild buckwheat found in southern California mountain ranges.

Eriogonum hoffmannii S.Stokes

Eriogonum hoffmannii S.Stokes

Eriogonum hoffmannii S.Stokes

Eriogonum hoffmannii is an annual buckwheat with two varieties that differ in size and growth form.

Eriogonum parishii S.Watson

Eriogonum parishii S.Watson

Eriogonum parishii S.Watson

Eriogonum parishii is an annual herb native to mountain regions of California, Baja California, and Arizona.

Eriogonum reniforme Torr. & Frém.

Eriogonum reniforme Torr. & Frém.

Eriogonum reniforme Torr. & Frém.

Eriogonum reniforme Torr. & Frém. is a North American annual buckwheat herb with color-changing small yellow-to-red flowers.

Eriogonum rixfordii S.Stokes

Eriogonum rixfordii S.Stokes

Eriogonum rixfordii S.Stokes

Eriogonum rixfordii is a distinctively pagoda-shaped annual herb currently threatened by wild specimen collection.

Eriogonum thurberi Torr.

Eriogonum thurberi Torr.

Eriogonum thurberi Torr.

Eriogonum thurberi Torr. is a slender annual herb that grows up to 40 cm tall and bears small white to pink flowers.

Eriogonum baileyi S.Watson

Eriogonum baileyi S.Watson

Eriogonum baileyi S.Watson

Bailey's buckwheat, Eriogonum baileyi, is an annual wild buckwheat native to sandy habitats of the western United States.

Eriogonum davidsonii Greene

Eriogonum davidsonii Greene

Eriogonum davidsonii Greene

Eriogonum davidsonii, or Davidson's buckwheat, is a spindly annual wild buckwheat native to western North America.

Eriogonum nortonii Greene

Eriogonum nortonii Greene

Eriogonum nortonii Greene

Eriogonum nortonii Greene is a small plant with often red stems, wavy leaves, and pink flower clusters on small erect stalks.

Eriogonum brachyanthum Coville

Eriogonum brachyanthum Coville

Eriogonum brachyanthum Coville

Eriogonum brachyanthum, or shortflower buckwheat, is an annual wild buckwheat native to parts of the western US, growing in varied sandy and woodland habitats.

Eriogonum palmerianum Reveal

Eriogonum palmerianum Reveal

Eriogonum palmerianum Reveal

Eriogonum palmerianum Reveal is a woolly-stemmed annual herb with clustered small white, yellow, or pink flowers.

Chorizanthe polygonoides A.Gray

Chorizanthe polygonoides A.Gray

Chorizanthe polygonoides A.Gray

Chorizanthe polygonoides, commonly knotweed spineflower, is a tiny prostrate flowering plant native to California and Baja California.

Chorizanthe watsonii A.Gray

Chorizanthe watsonii A.Gray

Chorizanthe watsonii A.Gray

Chorizanthe watsonii A.Gray is a small desert-dwelling plant with yellow flowers found in western North American deserts.

Chorizanthe xanti S.Watson

Chorizanthe xanti S.Watson

Chorizanthe xanti S.Watson

Chorizanthe xanti S.Watson is an erect, reddish hairy plant with pink to red flowers, and has two varieties including a rare mountain endemic.

Chorizanthe cuspidata S.Watson

Chorizanthe cuspidata S.Watson

Chorizanthe cuspidata S.Watson

Chorizanthe cuspidata is a low-growing hairy North American buckwheat relative with two distinct varieties.

Chorizanthe diffusa Benth.

Chorizanthe diffusa Benth.

Chorizanthe diffusa Benth.

Chorizanthe diffusa, or diffuse spineflower, is an endemic California flowering buckwheat with distinctive hook-tipped bracts.

Chorizanthe breweri S.Watson

Chorizanthe breweri S.Watson

Chorizanthe breweri S.Watson

Chorizanthe breweri, also called Brewer's spineflower, is a rare endemic California flowering plant in the buckwheat family.

Chorizanthe corrugata (Torr.) Torr. & A.Gray

Chorizanthe corrugata (Torr.) Torr. & A.Gray

Chorizanthe corrugata (Torr.) Torr. & A.Gray

Chorizanthe corrugata is an erect branching herb identifiable by the transversely corrugated surface of its floral involucral tube.

Chorizanthe howellii Goodman

Chorizanthe howellii Goodman

Chorizanthe howellii Goodman

Chorizanthe howellii, the Mendocino or Howell's spineflower, is an endangered endemic flowering plant of California's northern coastal dunes.

Chorizanthe leptotheca Goodman

Chorizanthe leptotheca Goodman

Chorizanthe leptotheca Goodman

Chorizanthe leptotheca, the Ramona or Peninsular spineflower, is a hairy red or pink flowering buckwheat native to the Peninsular Ranges.

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