Difference between revisions of "Ceanothus otayensis"

McMinn in M. van Rensselaer and H. McMinn

Ceanothus, 273, fig. 102. 1942.

Common names: Otay Mountain ceanothus
Conservation concern
Treatment appears in FNA Volume 12. Treatment on page 108. Mentioned on page 97.
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|elevation=500–1100 m.
 
|elevation=500–1100 m.
 
|distribution=Calif.;Mexico (Baja California).
 
|distribution=Calif.;Mexico (Baja California).
|discussion=<p>Ceanothus otayensis is known from the Otay and San Miguel Mountains, southern San Diego County, with at least one locality in northern Baja California. McMinn described C. otayensis as a hybrid between C. crassifolius and C. perplexans. However, neither of the putative parents occurs sympatrically with C. otayensis, and its populations do not display the increased variation expected from hybridization.</p>
+
|discussion=<p><i>Ceanothus otayensis</i> is known from the Otay and San Miguel Mountains, southern San Diego County, with at least one locality in northern Baja California. McMinn described <i>C. otayensis</i> as a hybrid between <i>C. crassifolius</i> and <i>C. perplexans</i>. However, neither of the putative parents occurs sympatrically with <i>C. otayensis</i>, and its populations do not display the increased variation expected from hybridization.</p>
 
|tables=
 
|tables=
 
|references=
 
|references=
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|publication year=1942
 
|publication year=1942
 
|special status=Conservation concern
 
|special status=Conservation concern
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V12/V12_819.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V12/V12_819.xml
 
|genus=Ceanothus
 
|genus=Ceanothus
 
|subgenus=Ceanothus subg. Cerastes
 
|subgenus=Ceanothus subg. Cerastes

Revision as of 14:50, 18 September 2019

Shrubs, 1–3.5 m. Stems erect to ascending, not rooting at nodes; branchlets grayish brown to brown, ± flexible to rigid, tomentulose. Leaves not fascicled; petiole 0–2 mm; blade flat to ± cupped, widely elliptic to obovate, 5–13 × 4–10 mm, base cuneate, margins revolute, sometimes wavy, coarsely denticulate near apex, teeth 3–5, apex truncate, retuse, or cuspidate, abaxial surface green, tomentulose, adaxial surface green, glabrous or sparsely puberulent. Inflorescences axillary or terminal, 0.6–1.8 cm. Flowers: sepals and petals white; nectary tan to brown. Capsules 4–6 mm wide, weakly lobed; valves smooth, horns minute or absent, intermediate ridges absent.


Phenology: Flowering Jan–Apr.
Habitat: Rocky slopes, chaparral.
Elevation: 500–1100 m.

Distribution

V12 819-distribution-map.jpg

Calif., Mexico (Baja California).

Discussion

Ceanothus otayensis is known from the Otay and San Miguel Mountains, southern San Diego County, with at least one locality in northern Baja California. McMinn described C. otayensis as a hybrid between C. crassifolius and C. perplexans. However, neither of the putative parents occurs sympatrically with C. otayensis, and its populations do not display the increased variation expected from hybridization.

Selected References

None.

Lower Taxa

None.
... more about "Ceanothus otayensis"
Clifford L. Schmidt† +  and Dieter H. Wilken +
McMinn in M. van Rensselaer and H. McMinn +
Ceanothus sect. Cerastes +
Otay Mountain ceanothus +
Calif. +  and Mexico (Baja California). +
500–1100 m. +
Rocky slopes, chaparral. +
Flowering Jan–Apr. +
Conservation concern +
Ceanothus otayensis +
Ceanothus subg. Cerastes +
species +