Overview

Distribution

National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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Localities documented in Tropicos sources

Dudleya virens (Rose) Moran:
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Physical Description

Diagnostic Description

Dudleya virens may be characterized by herbage not viscid, either green or glaucous. Petals white or tinged with red (Munz, 1959).

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Type Information

Holotype for Stylophyllum hassei Rose
Catalog Number: US 411238
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): H. E. Hasse
Year Collected: 1902
Locality: Beach cliffs., Los Angeles, Santa Catalina Island, Santa Barbara Islands, California, United States, North America
  • Holotype: Rose, J. N. 1903. Bull. New York Bot. Gard. 3: 35.
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Holotype for Stylophyllum albidum Rose
Catalog Number: US 399869
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): T. S. Brandegee
Year Collected: 1894
Locality: Los Angeles, San Clemente Island, Santa Barbara Islands, California, United States, North America
  • Holotype: Rose, J. N. 1903. Bull. New York Bot. Gard. 3: 34.
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Ecology

Habitat

Comments: Chaparral, coastal scrub, coastal bluff scrub.

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Life History and Behavior

Life Cycle

Persistence: PERENNIAL

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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: N2 - Imperiled

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NatureServe Conservation Status

Rounded Global Status Rank: G2 - Imperiled

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Wikipedia

Dudleya virens

Foliage.
Flower.

Dudleya virens, the Green liveforever or Bright green dudleya, is an uncommon species of perennial, succulent plant in the family Crassulaceae, native to several coastal southern California and Baja California locations.[1]

Distribution[edit]

The succulent is found growing in the Palos Verdes Hills on the Palos Verdes Peninsula coast in Los Angeles County; on several of the Channel Islands in California; and on Guadalupe Island off the northwestern Baja California Peninsula, Mexico.

Description[edit]

The Dudleya virens leaves are fleshy and strap-shaped, 8–20 cm long and 1.5–3 cm broad, tapering from the base (or from near middle) and are mostly green. They are arranged in a rosette.

The flowers are white, with five petals 7–10 mm long; they are produced in April, May, and June. Hummingbirds visit the flowers for their nectar.

Subspecies[edit]

Subspecies include:

Cultivation[edit]

Dudleya virens is cultivated as an ornamental plant in the specialty native plants and succulents horticulture trade.[6] It is used in containers, drought tolerant landscapes, and habitat gardens. It prefers well-draining soil, and grows best in full sun or light shade.

See also[edit]

References[edit]

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Names and Taxonomy

Taxonomy

Comments: In Munz's (1959) treatment of Dudleya virens, this species included Stylophyllum insulare and S. hassei, which are treated as subspecies of D. virens in Kartesz (1999). Kartesz (1994) and the Jepson Manual (1993) treat D. hassei as a species, distinct from D. virens. The Jepson Manual does not appear to address Stylophyllum insulare.

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