Difference between revisions of "Lorandersonia baileyi"

(Wooton & Standley) Urbatsch, R. P. Roberts & Neubig

Sida 21: 1621. 2005.

Common names: Bailey’s rabbitbrush
Basionym: Chrysothamnus baileyi Wooton & Standley Contr. U.S. Natl. Herb. 16: 181. 1913
Synonyms: Chrysothamnus pulchellus subsp. baileyi (Wooton & Standley) H. M. Hall & Clements
Treatment appears in FNA Volume 20. Treatment on page 178. Mentioned on page 179.
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|tribe=Asteraceae tribe Astereae
 
|tribe=Asteraceae tribe Astereae
 
|genus=Lorandersonia
 
|genus=Lorandersonia

Latest revision as of 13:16, 7 March 2024

Shrubs, 25–70 cm. Stems single, greenish when young, becoming whitish to gray, fastigiately branched distal to middle (angled from leaf bases), glabrous or puberulent. Leaves ascending to appressed; blades linear or linear-oblong, 4–35 × 0.5–3 mm, flat or adaxially concave, margins ciliolate, midveins evident, often purplish, apices acute to acuminate, faces glabrous. Heads usually in cymiform to corymbiform arrays 0.5–7 cm wide, sometimes borne singly. Involucres obconic to cylindric, 10–15 × 4–6 mm. Phyllaries 20–25 in 4–5 series, in 5 vertical ranks, mostly tan, shiny, with green subapical patch, midnerves mostly evident on distal 1/2, keeled, ovate to oblong or lanceolate, 1–10 × 0.8–2.3 mm, unequal, mostly chartaceous, margins entire, narrowly scarious, apices acute to attenuate or acuminate, faces glabrous. Receptacles with 0–1 central awn ca. 0.5 mm. Ray florets 0. Disc florets 5; corollas 9–14 mm, glabrous, lobes 1–1.7 mm; style branches exserted, 4.1–4.6 mm, appendages narrowly triangular, 2–2.8 mm. Cypselae brownish, turbinate, 5–7 mm, sharply 4-angled, 5–8 ribbed, faces sparsely or rarely densely hairy; pappi yellowish tan, 9–12 mm. 2n = 18 [as Chrysothamnus pulchellus].


Phenology: Flowering late summer–fall.
Habitat: Open high plains, especially in sandy sites
Elevation: 1300–2400 m

Distribution

V20-388-distribution-map.gif

Ariz., Colo., Kans., N.Mex., Okla., Tex., Utah, Mexico (Chihuahua, Coahuila).

Discussion

Lorandersonia baileyi is often treated as a subspecies of L. pulchella. Phylogenetic analyses (R. P. Roberts and L. E. Urbatsch 2004) indicate that the two are not sister taxa.

Selected References

None.

Lower Taxa

None.
... more about "Lorandersonia baileyi"
Lowell E. Urbatsch +, Roland P. Roberts +  and Kurt M. Neubig +
(Wooton & Standley) Urbatsch, R. P. Roberts & Neubig +
Chrysothamnus baileyi +
Bailey’s rabbitbrush +
Ariz. +, Colo. +, Kans. +, N.Mex. +, Okla. +, Tex. +, Utah +, Mexico (Chihuahua +  and Coahuila). +
1300–2400 m +
Open high plains, especially in sandy sites +
Flowering late summer–fall. +
Chrysothamnus pulchellus subsp. baileyi +
Lorandersonia baileyi +
Lorandersonia +
species +