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lakeside ceanothus, San Diego buckbrush
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coyote ceanothus
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| Shrubs, evergreen, 2–5 m. Stems erect, not rooting at nodes; branchlets light green, not thorn-tipped, angled in cross section, flexible, often tuberculate (tubercles minute, brownish), puberulent, glabrescent. |
Shrubs, 1–2 m. Stems erect, not rooting at nodes; branchlets grayish brown, glaucous, rigid, puberulent. |
petiole 2–6 mm; blade flat, ovate-elliptic, 20–50 × 15–20 mm, base rounded, margins usually denticulate to serrulate, rarely entire, not revolute, teeth 23–58, apex acute to obtuse, abaxial surface pale green, veins puberulent, adaxial surface dark green, glabrous or sparsely puberulent; 3-veined from base. |
not fascicled; petiole 1–3 mm; blade flat or ± cupped, widely elliptic to widely obovate, 11–30 × 7–18 mm, base obtuse to rounded, margins not revolute, usually denticulate, rarely entire, teeth 6–13, apex rounded, abaxial surface pale green, sparsely strigillose between veins, adaxial surface dark green, glabrate. |
terminal, paniclelike, 15–30(–40) cm. |
terminal, 1.2–1.5(–2) cm. |
sepals, petals, and nectary deep blue. |
sepals and petals white; nectary dark blue to purple. |
3–5 mm wide, deeply lobed; valves smooth, weakly crested. |
7–9 mm wide, weakly lobed; valves ± smooth, horns subapical, prominent, erect, intermediate ridges absent. |
= 24. |
= 24. |
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| Flowering Apr–Jun. |
Flowering Jan–May. |
| Rocky or gravelly slopes, chaparral. |
Serpentine soils and outcrops, chaparral, pine and oak woodlands. |
| 40–600 m. (100–2000 ft.) |
100–500 m. (300–1600 ft.) |
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CA; Mexico (Baja California)
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CA |
Ceanothus cyaneus is known in the flora area only from San Diego County, and is threatened throughout its range. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Ceanothus ferrisiae, federally listed as endangered, occurs at a few localities in the foothills of the Mount Hamilton Range northeast of Morgan Hill, Santa Clara County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
| FNA vol. 12, p. 90. |
FNA vol. 12, p. 101. |
| Rhamnaceae > Ceanothus > subg. Ceanothus |
Rhamnaceae > Ceanothus > subg. Cerastes |
C. americanus, C. arboreus, C. arcuatus, C. confusus, C. cordulatus, C. crassifolius, C. cuneatus, C. dentatus, C. divergens, C. diversifolius, C. fendleri, C. ferrisiae, C. foliosus, C. fresnensis, C. gloriosus, C. griseus, C. hearstiorum, C. herbaceus, C. impressus, C. incanus, C. integerrimus, C. jepsonii, C. lemmonii, C. leucodermis, C. maritimus, C. martini, C. masonii, C. megacarpus, C. microphyllus, C. oliganthus, C. ophiochilus, C. otayensis, C. palmeri, C. papillosus, C. parryi, C. parvifolius, C. pauciflorus, C. perplexans, C. pinetorum, C. prostratus, C. pumilus, C. purpureus, C. roderickii, C. sanguineus, C. sonomensis, C. spinosus, C. thyrsiflorus, C. tomentosus, C. velutinus, C. verrucosus |
C. americanus, C. arboreus, C. arcuatus, C. confusus, C. cordulatus, C. crassifolius, C. cuneatus, C. cyaneus, C. dentatus, C. divergens, C. diversifolius, C. fendleri, C. foliosus, C. fresnensis, C. gloriosus, C. griseus, C. hearstiorum, C. herbaceus, C. impressus, C. incanus, C. integerrimus, C. jepsonii, C. lemmonii, C. leucodermis, C. maritimus, C. martini, C. masonii, C. megacarpus, C. microphyllus, C. oliganthus, C. ophiochilus, C. otayensis, C. palmeri, C. papillosus, C. parryi, C. parvifolius, C. pauciflorus, C. perplexans, C. pinetorum, C. prostratus, C. pumilus, C. purpureus, C. roderickii, C. sanguineus, C. sonomensis, C. spinosus, C. thyrsiflorus, C. tomentosus, C. velutinus, C. verrucosus |
| Eastwood: Proc. Calif. Acad. Sci., ser. 4, 16: 361. (1927) |
McMinn: Madroño 2: 89. (1933) — (as ferrisae) |
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CA
WildflowerSearch
iNaturalist
USDA Plants Database
