Difference between revisions of "Malacothamnus jonesii"

(Munz) Kearney

Leafl. W. Bot. 6: 135. 1951.

Common names: San Luis Obispo or Jones’s bushmallow
Endemic
Basionym: Malvastrum jonesii Munz Bull. S. Calif. Acad. Sci. 24: 88. 1925
Synonyms: Malacothamnus gracilis (Eastwood) Kearney M. niveus (Eastwood) Kearney Malvastrum fremontii var. niveum (Eastwood) McMinn M. gracile Eastwood M. niveum Eastwood
Treatment appears in FNA Volume 6. Treatment on page 284. Mentioned on page 282.
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V6/V6_516.xml
 
|subfamily=Malvaceae subfam. Malvoideae
 
|subfamily=Malvaceae subfam. Malvoideae
 
|genus=Malacothamnus
 
|genus=Malacothamnus

Latest revision as of 22:21, 5 November 2020

Shrubs, 1–2.5 m, branches slender, flexuous, indument white, usually velvety, not shaggy, stellate hairs stalked, sometimes sublepidote, ca. 10–30-armed, glandular hairs often abundant. Leaf blades ash green, ovate, ± rhombic, or suborbiculate, unlobed or 3- or 5-lobed, 2.5–4.5(–7) cm, thin to thick, surfaces: soft tomentose-white, adaxial pale ash green, white-velvety, basal sinus open, not overlapping. Inflorescences open-paniculate or subracemose, flower clusters pedunculate, loose, 3(–6)-flowered, or solitary flowers; involucellar bractlets awl-shaped to filiform, 2.5–7(–8) × 1 mm, 1/3–1/2(–2/3) calyx length. Flowers: calyx campanulate, not angled in bud, 5–9(–10) mm, lobes distinct in bud, narrowly triangular or deltate-lanceolate, 3–6(–7.5) × 1.5–3(–4) mm, length 2 times width, equaling to 3 times tube length, apex acute to short-acuminate, usually sublepidote to tomentose, hairs 10–30-armed, sometimes densely lanate; petals pale pink, to 1 cm. Mericarps 2.5–3.8 mm. 2n = 34.


Phenology: Flowering late Apr–Jun.
Habitat: Open chaparral, foothill woodlands
Elevation: 200–900 m

Discussion

Malacothamnus jonesii is known from the central Coast Ranges.

Selected References

None.

Lower Taxa

None.
... more about "Malacothamnus jonesii"
David M. Bates +
(Munz) Kearney +
Malvastrum jonesii +
San Luis Obispo or Jones’s bushmallow +
200–900 m +
Open chaparral, foothill woodlands +
Flowering late Apr–Jun. +
Leafl. W. Bot. +
Malacothamnus gracilis +, M. niveus +, Malvastrum fremontii var. niveum +, M. gracile +  and M. niveum +
Malacothamnus jonesii +
Malacothamnus +
species +