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Hirschfeldia incana (L.) Lagr.-Foss.
SHORTPOD MUSTARD
Brassica adpressa Boiss Synonym; Buchan Weed; Hairy Brassica; Hoary Mustard; Brassica adpressa Boiss; Sinapis incana L; Brassica geniculata Desf Benth; Hirschfeldia adpressa Moench; Sinapis geniculata Desf; Brassica incana L Meigen; Brassica incana (L) Meigen non Ten

Life   Plantae   Dicotyledoneae   Brassicaceae   Hirschfeldia

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Hirschfeldia incana
© Copyright Mel Harte 2010 · 3
Hirschfeldia incana
Hirschfeldia incana
© Copyright Malcolm Storey 2011-2118 · 3
Hirschfeldia incana

Hirschfeldia incana
© Copyright Malcolm Storey 2011-2118 · 3
Hirschfeldia incana
Hirschfeldia incana
© Copyright Malcolm Storey 2011-2118 · 3
Hirschfeldia incana

Hirschfeldia incana
© Copyright Malcolm Storey 2011-2118 · 3
Hirschfeldia incana
Hirschfeldia incana
© Copyright Malcolm Storey 2011-2118 · 3
Hirschfeldia incana

Hirschfeldia incana
© Copyright Malcolm Storey 2011-2118 · 3
Hirschfeldia incana
Hirschfeldia incana, flowers
© Pedro Tenorio-Lezama, 2001 · 0
Hirschfeldia incana, flowers

Hirschfeldia incana, juvenile fruit
© Pedro Tenorio-Lezama, 2001 · 0
Hirschfeldia incana, juvenile fruit
Hirschfeldia incana, habitat
© Pedro Tenorio-Lezama, 2001 · 0
Hirschfeldia incana, habitat

Hirschfeldia incana, leaves
© Pedro Tenorio-Lezama, 2001 · 0
Hirschfeldia incana, leaves

Associates · map
FamilyScientific name @ source (records)
Andrenidae  Calliopsis scutellaris @ UCRC_ENT (1)
Apidae  Diadasia australis @ UCRC_ENT (1)
Megachilidae  Megachile angelarum @ UCRC_ENT (1)

Megachile coquilletti @ UCRC_ENT (1)

Megachile gentilis @ UCRC_ENT (1)
Miridae  Chlamydatus associatus @ AMNH_PBI (1)

Closterotomus norvegicus @ AMNH_ENT (67)

Dacerla mediospinosa @ AMNH_ENT (4)

Ectopiocerus anthracinus @ AMNH_ENT (4)

Henrylygus nubilus @ AMNH_ENT (2)

Irbisia limata @ AMNH_IZC (1)

Lepidargyrus ancorifer @ AMNH_ENT (3)

Lopidea marginata @ AMNH_ENT (1)

Lygus hesperus @ AMNH_ENT (2)

Macrotylus @ AMNH_PBI (1)

Plagiognathus verticalis @ AMNH_PBI (23)

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Following served from American Museum of Natural History, Plant Bug AMNH_PBI00303565 pbi_cal04l21h125
   
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Following modified from Malezas de Mexico, CONABIO
   
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FNA Vol. 7 Page 436 , 437 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 7 | Brassicaceae | Hirschfeldia

1. Hirschfeldia incana (Linnaeus) Lagrèze-Fossat, Fl. Tarn Garonne. 19. 1847.

Mediterranean mustard, summer- or hoary-mustard

Sinapis incana Linnaeus, Cent. Pl. I, 19. 1755; Brassica adpressa (Moench) Boissier; B. geniculata (Desfontaines) Ball; Hirschfeldia adpressa Moench; Sinapis geniculata Desfontaines

Stems (2-)4-15(-20) dm, densely pubescent proximally, trichomes retrorse. Basal leaves: petiole 1-4(-10) cm; blade (3-)4-22(-35) cm × 15-60 (-80) mm, lobes 1-6(-9) each side, ovate or lanceolate, (smaller than terminal), terminal lobe broadly ovate, surfaces densely pubescent. Cauline leaves (distal) ± sessile; blade oblong to lanceolate, similar to basal, (smaller distally). Fruiting pedicels (appressed to rachis, almost as thick as fruit), 2-4(-5) mm. Flowers: sepals 3-5 × 1.2-2 mm; petals 5-10 × 2.5-4.5 mm; filaments 3-5 mm; anthers 1-1.5 mm. Fruits 0.7-1.5(-1.7) cm × 1-1.7 mm; valves 6-10 mm; terminal segment 3-6 mm. Seeds 0.9-1.5 mm diam. 2 n = 14.

Flowering Apr-Nov. Roadsides, waste places, disturbed areas, canyons, creek bottoms, dry fields, open desert; 100-1600 m; introduced; Calif., Nev., Oreg.; Eurasia; nw Africa; introduced also in South America, s Africa, Atlantic Islands, Pacific Islands (Hawaii), Australia.

Hirschfeldia incana was first collected in North America in 1895 in the San Bernardino region, and by 1936 it was described as "already a serious agricultural pest, spreading freely over dry, unbroken ground and flourishing chiefly during the arid summer season" (W. L. Jepson 1909-1943, vol. 2).

Hirschfeldia incana can be confused with Brassica nigra because both have fruits appressed to the rachis. The former is distinguished from the latter by its distinctly shorter fruit, seeded and often swollen beak, and smaller petals.

Updated: 2024-05-30 19:15:03 gmt
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