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Ambrosia chamissonis (Less. ) Greene
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Ambrosia chamissonis
© Copyright New York Botanical Garden, 2013 · -9
Ambrosia chamissonis

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Associates · map
FamilyScientific name @ source (records)
Cicadellidae  Ballana ( @ UCR_ENT (21)

Ceratagallia ( @ UCR_ENT (10)

Draeculacephala minerva @ UCR_ENT (1)

Empoasca ( @ UCR_ENT (9)
Delphacidae  Stobaera muiri @ UDCC_TCN (1); UCR_ENT (44)

Stobaera tricarinata @ UCR_ENT (3)
Membracidae  Spissistilus festinus @ UCR_ENT (5)
Miridae  Lygus abroniae @ AMNH_PBI (19)

Lygus elisus @ UCR_ENT (12)

Lygus oregonae @ AMNH_PBI (24)

Lygus rufidorsus @ UCR_ENT (1)

Neolygus communis @ UCR_ENT (1)

Neolygus @ UCR_ENT (1)
Pentatomidae  Chlorochroa @ UCR_ENT (2)
Pseudococcidae  Chorizococcus abroniae @ CSCA_TCN (3)

Phenacoccus solenopsis @ CSCA_TCN (1)

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FNA Vol. 21 Page 11, 16 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 21 | Asteraceae | Ambrosia

15. Ambrosia chamissonis (Lessing) Greene, Man. Bot. San Francisco. 188. 1894.

Franseria chamissonis Lessing, Linnaea 6: 507. 1831; F. chamissonis subsp. bipinnatisecta (Lessing) Wiggins & Stockwell; A. chamissonis var. bipinnatisecta (Lessing) J. T. Howell

Perennials, 50—150(—350+) cm. Stems prostrate or decumbent. Leaves mostly alternate; petioles 15—30(—45+) mm; blades rounded-deltate to ovate or obovate, 20—45(—70+) × 10—25(—50+) mm overall, not lobed or 1—2(—3)-pinnately lobed, bases cuneate, ultimate margins entire or toothed, abaxial and adaxial faces strigillose to sericeous. Pistillate heads clustered, proximal to staminates; florets 1. Staminate heads: peduncles 0.5—2 mm; involucres shallowly cup-shaped, 4—6+ mm diam., strigillose; florets 8—25(—50). Burs: bodies fusiform to ± pyriform, 4—7+ mm, ± strigillose to pilosulous, spines 8—16+, scattered, stoutly conic or flattened- to triquetrous-subulate, 0.5—1.5+ mm, tips straight. 2 n = 36.

Flowering Apr—Nov. Sandy beaches and strand; 0—10 m; B.C.; Alaska, Calif., Oreg., Wash.; Mexico (Baja California).

Updated: 2024-04-13 15:36:14 gmt
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