Difference between revisions of "Dichelostemma volubile"
Bull. S. Calif. Acad. Sci. 2: 65. 1903.
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|name=Macroscapa volubilis | |name=Macroscapa volubilis | ||
|authority=Kellogg | |authority=Kellogg | ||
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|name=Brodiaea californica | |name=Brodiaea californica | ||
|authority=(Torrey) Jepson | |authority=(Torrey) Jepson | ||
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|name=Brodiaea volubilis | |name=Brodiaea volubilis | ||
|authority=(Kellogg) Baker | |authority=(Kellogg) Baker | ||
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|name=Dichelostemma californicum | |name=Dichelostemma californicum | ||
|authority=(Torrey) Alph. Wood | |authority=(Torrey) Alph. Wood | ||
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|name=Hookera volubilis | |name=Hookera volubilis | ||
|authority=(Kellogg) Jepson | |authority=(Kellogg) Jepson | ||
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|name=Rupalleya volubilis | |name=Rupalleya volubilis | ||
|authority=(Kellogg) Morière | |authority=(Kellogg) Morière | ||
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|name=Stropholirion californicum | |name=Stropholirion californicum | ||
|authority=Torrey | |authority=Torrey | ||
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|elevation=100–1600 m | |elevation=100–1600 m | ||
|distribution=Calif. | |distribution=Calif. | ||
| − | |discussion=<p>Dichelostemma volubile is distinguishable by its very long, weak, twining scape; small pink flowers; strongly urceolate perianth tube with well-developed saccate angles; and possession of both perianth appendages and true staminodia (sterile stamens) opposite the outer limb segments, as found in most species of Brodiaea. It is confined to a narrow belt in the foothill areas adjacent to the Central Valley, and is known to hybridize with D. multiflorum in Tuolumne County.</p> | + | |discussion=<p><i>Dichelostemma volubile</i> is distinguishable by its very long, weak, twining scape; small pink flowers; strongly urceolate perianth tube with well-developed saccate angles; and possession of both perianth appendages and true staminodia (sterile stamens) opposite the outer limb segments, as found in most species of <i>Brodiaea</i>. It is confined to a narrow belt in the foothill areas adjacent to the Central Valley, and is known to hybridize with <i>D. multiflorum</i> in Tuolumne County.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1903 | |publication year=1903 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V26/V26_671.xml |
|genus=Dichelostemma | |genus=Dichelostemma | ||
|species=Dichelostemma volubile | |species=Dichelostemma volubile | ||
Revision as of 16:46, 18 September 2019
Leaves 3–4, 30–70 cm; blade strongly keeled. Scape weak, not self-supporting except distal 10 cm erect, otherwise twining, 40–150 cm, scabrous. Inflorescences umbellate, dense, 6–20-flowered; bracts pinkish, widely ovate, 12–15 mm, apex acute. Flowers horizontal or erect; perianth pink or rarely white, tube globose or urceolate, constricted above ovary, 5–7 mm, with 6 sac-like angles, lobes widely spreading, ascending in fruit, 5–7 mm; perianth appendages 2 per stamen, folded inward toward anthers, hiding them and forming corona, white, narrowly lanceolate, 3–4 mm, apex 2-fid into 2 wings; stamens 3, equal; anthers 3–4 mm; staminodia 3, opposite outer tepals, creamy whitish, linear-oblong, 2.5–3 mm, margins ciliate-dentate, involute, apex usually shallowly notched; ovary sessile or short-stipitate, subglobose, 4–5 mm; style 3–4 mm; pedicel 10–40 mm. 2n = 18, 36.
Phenology: Flowering spring (Apr–early Jun).
Habitat: Foothill woodlands, chaparral, scrub
Elevation: 100–1600 m
Discussion
Dichelostemma volubile is distinguishable by its very long, weak, twining scape; small pink flowers; strongly urceolate perianth tube with well-developed saccate angles; and possession of both perianth appendages and true staminodia (sterile stamens) opposite the outer limb segments, as found in most species of Brodiaea. It is confined to a narrow belt in the foothill areas adjacent to the Central Valley, and is known to hybridize with D. multiflorum in Tuolumne County.
Selected References
None.