© 2017 Dylan Neubauer |
© 2015 Dylan Neubauer |
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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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| 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 | 6 | ||||
| Recent <=20 Years | 7 | ||||
| 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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| CNPS Status Review: | Proposed addition to CRPR 1B.1 (2023) |
| Original Description: | Phytoneuron 2016-58: 1–11 (2016) |
| Revised Nomenclature: | PhytoKeys 75: 107–118 (2016) |