Difference between revisions of "Lasthenia microglossa"

(de Candolle) Greene

Man. Bot. San Francisco, 205. 1894.

Common names: Small-ray goldfields
Endemic
Basionym: Burrielia microglossa de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 664. 1836
Synonyms: Baeria microglossa (de Candolle) Greene
Treatment appears in FNA Volume 21. Treatment on page 342. Mentioned on page 336, 337, 341.
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|common_names=Small-ray goldfields
 
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|name=Burrielia microglossa
 
|name=Burrielia microglossa
 
|authority=de Candolle
 
|authority=de Candolle
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|publication_title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr.
 
|publication_title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr.
 
|publication_place=5: 664. 1836
 
|publication_place=5: 664. 1836
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|name=Baeria microglossa
 
|name=Baeria microglossa
 
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|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Baeriinae;Lasthenia;Lasthenia sect. Burrielia;Lasthenia microglossa
 
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name=Lasthenia microglossa
 
name=Lasthenia microglossa
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|publication title=Man. Bot. San Francisco,
 
|publication title=Man. Bot. San Francisco,
 
|publication year=1894
 
|publication year=1894
|special status=
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|special status=Endemic
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|tribe=Asteraceae tribe Heliantheae
 
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|subtribe=Asteraceae (tribe Heliantheae) subtribe Baeriinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Baeriinae

Latest revision as of 20:14, 5 November 2020

Annuals, to 25 cm. Stems erect or sprawling, branched distally, villous, especially distally. Leaves linear or subulate, 15–80 × 1.5–2(–4) mm, margins ± entire, faces moderately hairy. Involucres cylindric to narrowly obconic, 6–8.5 mm. Phyllaries 4, elliptic to oblong, hairy. Receptacles subulate, papillate, glabrous. Ray florets 4; (corollas yellow) laminae lance-elliptic, (0–)0.5–1 mm. Disc corolla lobes 4(–5). Anther appendages subulate (without wartlike glands; style apices lanceolate, glabrous). Cypselae black, ± linear, to 5 mm, hairy; pappi 0, or of 1–4 brown or white, linear to ovate or lanceolate, aristate scales (sometimes variable within heads). 2n = 24.


Phenology: Flowering Mar–May.
Habitat: Shaded areas, woodlands, chaparral, deserts
Elevation: 0–1000 m

Discussion

Because the rays are inconspicuous, plants of the self-pollinating Lasthenia microglossa are easy to overlook. Besides growing in habitats similar to those occupied by L. debilis, L. microglossa is found also beneath chaparral shrubs and extends into desert areas, where it grows near rocks that may provide favorable shade and moisture conditions.

Selected References

None.

Lower Taxa

None.