Difference between revisions of "Chorizanthe robusta"
Proc. Davenport Acad. Nat. Sci. 5: 176. 1889.
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|year=1889 | |year=1889 | ||
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
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|basionyms= | |basionyms= | ||
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name=Chorizanthe robusta | name=Chorizanthe robusta | ||
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|authority=Parry | |authority=Parry | ||
|rank=species | |rank=species | ||
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|publication title=Proc. Davenport Acad. Nat. Sci. | |publication title=Proc. Davenport Acad. Nat. Sci. | ||
|publication year=1889 | |publication year=1889 | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |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.
Distribution
wc Calif.
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 |