Difference between revisions of "Eriogonum pharnaceoides"
in L. Sitgreaves, Rep. Exped. Zuni Colorado Rivers, 167, plate 11. 1853.
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name=Eriogonum pharnaceoides | name=Eriogonum pharnaceoides | ||
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|authority=Torrey in L. Sitgreaves | |authority=Torrey in L. Sitgreaves | ||
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|publication year=1853 | |publication year=1853 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_844.xml |
|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Eriogonum | |genus=Eriogonum | ||
Revision as of 22:57, 16 December 2019
Herbs, erect or spreading, annual, 1–5 dm, villous, greenish, yellowish green, or reddish. Stems: caudex absent; aerial flowering stems erect or nearly so, solid, not fistulose, 0.1–0.8 dm, villous. Leaves basal and cauline; basal: petiole 0.1–0.5(–1) cm, blade linear-lanceolate to linear-oblanceolate, 1–4 × 0.1–0.4 cm, white-lanate abaxially, villous and greenish to yellowish green adaxially, margins plane or revolute; cauline sessile, blade linear, 0.5–2.5 × 0.05–0.3 cm, tomentose abaxially, thinly villous or glabrous and greenish adaxially. Inflorescences cymose, open, 5–45 × 3–40 cm; branches villous; bracts 3–8, semileaflike, 5–15 × 0.3–1.5(–2) mm. Peduncles erect or nearly so, straight, slender, (1–)2–5(–7) cm, sparsely villous or glabrous. Involucres campanulate, 1–2 × 2–3 mm, villous; teeth 5, mostly erect to spreading, 1–3 mm. Flowers 1–3 mm; perianth white to rose or yellow, sometimes becoming reddish, glabrous; tepals dimorphic, those of outer whorl oblong-ovate, 2-saccate-dilated proximally, those of inner whorl linear-oblong; stamens mostly included, 1–1.5 mm; filaments mostly pilose proximally. Achenes brown to blackish, lenticular, 1.8–2 mm, glabrous.
Distribution
w North America, including n Mexico.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Perianths white to rose; n and e Arizona, w New Mexico, Mexico | Eriogonum pharnaceoides var. pharnaceoides |
| 1 | Perianths yellow; nw Arizona, se Nevada, sw Utah | Eriogonum pharnaceoides var. cervinum |