Species Details
Aphyllon robbinsii
Robbins' broomrape
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© 2017 Dylan Neubauer |
© 2015 Dylan Neubauer |
Species Description:
Aphyllon robbinsii, commonly known as Robbins' broomrape, is a annual herb (achlorophyllous) in the Orobanchaceae that is . It occurs within Coastal bluff scrub, growing at elevations from 0 to 100 meters. Aphyllon robbinsii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Aphyllon robbinsii (Heckard ex Colwell & Yatsk.) A.C. Schneid. |
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Common Name: Robbins' broomrape |
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| Family: | Orobanchaceae | |
| Element Code: | PDORO040Q0 | |
| USDA Plants Symbol: | ||
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Synonyms/Other Names: |
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| Name Status: |
JEP, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G1 |
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State Rank: |
S1 |
| Other Status: | |
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CRPR Changes: added to 1B.1 on 2023-03-28 |
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| Add Date: | 2023-03-28 |
| Date Edited: | 2024-03-06 |
| Lifeform: annual herb (achlorophyllous) | ||||||||||||||
Blooming Period: Apr-Jul
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Elevation:
0 - 100 meters 0 - 330 feet |
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General Habitats:
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| Microhabitat Details: Rocky or sandy soil on bluffs, cliffs, landslides, or shell mounds; possibly on sand dunes. Its only confirmed host is Eriophyllum staechadifolium. | ||||||||||||||
Microhabitat:
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Notes: |
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Threats: Threatened by development, non-native plants, foot traffic, and herbivores (rodents). |
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Taxonomy: Previously identified as A. californicum; differentiated by its smaller flowers, white to cream corollas with pink or purple venation, generally glabrous anther sacs, and growth on Eriophyllum staechadifolium. |
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| Threat List Total: | 4 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 5 | 38 % |
| THREAT LIST: | ||
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| Non-native plant impacts | 2 | 15% |
| Other | 1 | 7% |
| Development | 1 | 7% |
| Foot traffic/trampling | 1 | 7% |
| Total Occurrences: | 13 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 0 | 1 | 0 | 1 | 11 |
| Occurrence Status: | |||||
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| Historical >20 Years | 7 | ||||
| Recent <=20 Years | 6 | ||||
| Presence: | |||||
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| Presumed Extant | 12 | ||||
| Possibly Extirpated | 1 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Marin (MRN), Monterey (MNT), San Francisco (SFO), San Luis Obispo (SLO), San Mateo (SMT), Santa Cruz (SCR) |
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Quads: Name (Quad Code) Montara Mountain (3712254), Monterey (3612158), Piedras Blancas (3512163), Pigeon Point (3712224), Point Sur (3612138), San Francisco North (3712274), San Francisco South (3712264), Santa Cruz (3612281), Soberanes Point (3612148) |
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Notes:
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Presumed Extant
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