Difference between revisions of "Dudleya candelabrum"
in N. L. Britton and J. N. Rose, New N. Amer. Crassul., 17. 1903 ,.
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|accepted_name=Dudleya candelabrum | |accepted_name=Dudleya candelabrum | ||
| − | |accepted_authority= | + | |accepted_authority=Rose |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in N. L. Britton and J. N. Rose, New N. Amer. Crassul., | |title=in N. L. Britton and J. N. Rose, New N. Amer. Crassul., | ||
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}} | }} | ||
|common_names=Candleholder dudleya | |common_names=Candleholder dudleya | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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|distribution=Calif. | |distribution=Calif. | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
| − | --><p>Dudleya candelabrum is endemic to Santa Cruz and Santa Rosa islands; it is considered fairly threatened (California Native Plant Society, http://cnps.web.aplus.net/cgi-bin/inv/inventory.cgi). Among diploids, it seems most similar to the green phase of D. brittonii D. A. Johansen, of coastal northwestern Baja California, which also has a thick, unbranched caudex and large rosettes, and has somewhat similar leaf shape, inflorescence, and flowers. However, D. brittonii has more rosette leaves, which may be farinose or not, longer pedicels that are thickened distally, and conspicuously narrower sepals, with broad U-shaped sinuses.</p> | + | --><p><i>Dudleya candelabrum</i> is endemic to Santa Cruz and Santa <i>Rosa</i> islands; it is considered fairly threatened (California Native Plant Society, http://cnps.web.aplus.net/cgi-bin/inv/inventory.cgi). Among diploids, it seems most similar to the green phase of D. brittonii D. A. Johansen, of coastal northwestern Baja California, which also has a thick, unbranched caudex and large rosettes, and has somewhat similar leaf shape, inflorescence, and flowers. However, D. brittonii has more rosette leaves, which may be farinose or not, longer pedicels that are thickened distally, and conspicuously narrower sepals, with broad U-shaped sinuses.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Dudleya candelabrum | name=Dudleya candelabrum | ||
| − | + | |authority=Rose | |
| − | |authority= | ||
|rank=species | |rank=species | ||
|parent rank=subgenus | |parent rank=subgenus | ||
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|publication title=in N. L. Britton and J. N. Rose, New N. Amer. Crassul., | |publication title=in N. L. Britton and J. N. Rose, New N. Amer. Crassul., | ||
|publication year= | |publication year= | ||
| − | |special status= | + | |special status=Illustrated;Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V8/V8_379.xml |
|genus=Dudleya | |genus=Dudleya | ||
|subgenus=Dudleya subg. Dudleya | |subgenus=Dudleya subg. Dudleya | ||
Latest revision as of 23:43, 5 November 2020
Caudices simple, 0.1–20 × 2–8 cm, axillary branches absent. Leaves: rosettes solitary, not in clumps, 20–45-leaved, 10–30 cm diam.; blade green or, rarely, pale greenish white, obovate to oblong-oblanceolate, 6–17 × 3–7 cm, 1–4 mm thick, base 0.2–0.5 cm wide, apex acuminate, surfaces usually not farinose, not glaucous. Inflorescences: cyme 3–5-branched, densely rounded or becoming flat-topped; branches not twisted (flowers on topside), 1–2 times bifurcate, (5–25 cm diam.); cincinni ca. 3, 5–25-flowered, circinate, 2.5–13 cm; floral shoots 15–35 × 0.6–1 cm; leaves 20–35, spreading or deflexed, triangular-lanceolate, 30–70 × 10–20 mm, apex acute. Pedicels erect, not bent in fruit, 2–6 mm. Flowers: calyx 6–9 × 4–5 mm; petals connate 1.5–3.5 mm, pale yellow to white, 8–12 × 2.5–3.5 mm, apex acute, tips straight; pistils connivent, erect. Unripe follicles erect. 2n = 34.
Phenology: Flowering late spring–early summer.
Habitat: Scattered in rocky places, especially north- and east-facing canyon walls
Elevation: 0-600 m
Discussion
Of conservation concern.
Dudleya candelabrum is endemic to Santa Cruz and Santa Rosa islands; it is considered fairly threatened (California Native Plant Society, http://cnps.web.aplus.net/cgi-bin/inv/inventory.cgi). Among diploids, it seems most similar to the green phase of D. brittonii D. A. Johansen, of coastal northwestern Baja California, which also has a thick, unbranched caudex and large rosettes, and has somewhat similar leaf shape, inflorescence, and flowers. However, D. brittonii has more rosette leaves, which may be farinose or not, longer pedicels that are thickened distally, and conspicuously narrower sepals, with broad U-shaped sinuses.
Selected References
None.