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Marcus, Joseph A.
Aristolochia erecta L.
USDA Symbol: ARER
USDA Native Status: Native to U.S.
Bloom InformationBloom Color: Purple , Brown
Bloom Time: Apr , May , Jun , Jul , Aug , Sep , Oct
TX USDA Native Status: L48(I)
Growing ConditionsWater Use: Low , Medium
Light Requirement: Sun , Part Shade
Soil Moisture: Moist
Conditions Comments: Swanflower is a trailing grass mimic, presumably to evade female Pipevine swallowtail butterflies looking for a good place to lay their eggs. The caterpillars are black or orange and fleshy, often easier to spot than their host plants. Swanflower has intriguing tubular shaped flowers that look like small orchids.
BenefitConspicuous Flowers: yes
Larval Host: Pipevine swallowtail
Butterflies and Moths of North America (BAMONA)
is a larval host and/or nectar source for:
Herbarium Specimen(s)NPSOT 0125
Collected July 10, 1991 in Bexar County by Lottie Millsaps
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Record Modified: 2007-04-06
Research By: Damon Waitt