Difference between revisions of "Chorizanthe robusta"

Parry

Proc. Davenport Acad. Nat. Sci. 5: 176. 1889.

EndemicConservation concern
Treatment appears in FNA Volume 5. Treatment on page 455. Mentioned on page 447.
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|publication title=Proc. Davenport Acad. Nat. Sci.
 
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|special status=Endemic;Conservation concern
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_947.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_947.xml
 
|subfamily=Polygonaceae subfam. Eriogonoideae
 
|subfamily=Polygonaceae subfam. Eriogonoideae
 
|genus=Chorizanthe
 
|genus=Chorizanthe

Latest revision as of 22:15, 5 November 2020

Plants erect to spreading or decumbent, 0.5–3 × 0.1–6 dm, villous. Leaves basal or nearly so; petiole 1–4(–7) cm; blade oblanceolate, 1.5–5 × 0.2–0.7(–1) cm, villous. Inflorescences with secondary branches not suppressed except in terminal clusters of involucres, green to reddish; bracts 2, similar to proximal leaf blades only reduced, short-petiolate, becoming linear and aciculate at distal nodes, acerose, 1–5 cm × 2–5(–7) mm, awns absent. Involucres 1, greenish, cylindric, not ventricose, 2.5–4 mm, with white to pinkish, thin scarious margins restricted to basal portion of teeth, not corrugate, thinly pubescent abaxially; teeth spreading, equal, 0.3–0.8(–1) mm; awns uncinate with longer ones 0.7–1.3 mm and anterior one mostly 1–1.3 mm, these alternating with shorter (0.3–0.7 mm) ones. Flowers slightly exserted; perianth bicolored with floral tube white and tepals white to rose, cylindric, 2.5–4 mm, pubescent abaxially; tepals connate 1/4 their length, monomorphic, oblanceolate to narrowly oblong, usually truncate to rounded and erose or denticulate apically, occasionally distinctly cuspidate; stamens 9, included; filaments distinct, 2–3.5 mm, glabrous; anthers pink to red or maroon, oblong, 0.6–0.8 mm. Achenes light brown, globose-lenticular, 3.5–4 mm.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Margins of involucres white; plants spreading or decumbent; sandy to gravelly places; Alameda and San Mateo counties s in mountains and near coast to n Monterey County Chorizanthe robusta var. robusta
1 Margins of involucres rose-pink; plants erect; annual grasslands near Scotts Valley, Santa Cruz Mountains, Santa Cruz County Chorizanthe robusta var. hartwegii
... more about "Chorizanthe robusta"
James L. Reveal +
wc Calif. +
Proc. Davenport Acad. Nat. Sci. +
Endemic +  and Conservation concern +
Chorizanthe sect. Anisogonum +, Chorizanthe sect. Eriogonellopsis +  and Chorizanthe sect. Herbaceae +
Chorizanthe robusta +
Chorizanthe sect. Ptelosepala +
species +