Ipomopsis rubra (Linnaeus) Wherry. Common name: Standing-cypress, Spanish-larkspur. Phenology: May-Aug (-Sep); Aug-Sep. Habitat: Longleaf pine sandhills, sand rims of Carolina bays, dolomitic glades and woodlands, dunes, dry sandy and rocky woodlands and openings, roadbanks, disturbed areas. Distribution: Sc. NC south to c. peninsular FL, west to TX and OK, spread from cultivation in other areas to the north (including sites in the Piedmont and Mountains of GA and NC).
Origin/Endemic status: Native
Other Comments: Sorrie, Weakley, & Bradley (2018) discussed the biogeography, habitats, and nativity of the species.
Synonymy ⓘ: = Ar, Fl5, GrPl, Il, K1, K3, K4, Mi, NcTx, NE, RAB, Tat, Tx, W, WH3, Grant (1956); = Gilia rubra (L.) A.Heller – C, F, G, S
Heliophily ⓘ: 8
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Horticultural Information
Intro: Erect biennial/short-lived perennial of sandhills, sand rims of Carolina bays, dolomitic glades and woodlands, dunes, road banks and other disturbed areas.
Stems: Stems simple, leafy and hairy.
Leaves: Leaves alternate, crowded, to 1 1/4 in. long, pinnately divided into thread-like segments with bristle tips.
Inforescence:
Flowers: Flowers in tall, leafy-bracted, terminal raceme; bright red (rarely yellow); to 1 1/2 in. long; long-tubular with 5 spreading, pointed lobes making a star at the tube opening; yellow dotted with red inside the tube.
Fruits:
Comments: This species has spread from cultivation in areas to the north.
Height: 2-6 ft.
plant sale text:
bloom table text:
description: Erect biennial/short-lived perennial of sandhills, sand rims of Carolina bays, dolomitic glades and woodlands, dunes, road banks and other disturbed areas.
stems: Stems simple, leafy and hairy.
leaves: Leaves alternate, crowded, to 1 1/4 in. long, pinnately divided into thread-like segments with bristle tips.
inflorescence:
flowers: Flowers in tall, leafy-bracted, terminal raceme; bright red (rarely yellow); to 1 1/2 in. long; long-tubular with 5 spreading, pointed lobes making a star at the tube opening; yellow dotted with red inside the tube.
fruits:
comments: This species has spread from cultivation in areas to the north.
cultural notes:
germination code:
native range: southeastern United States