Oenothera humifusa Nuttall. Common name: Seabeach Evening-primrose, Spreading Evening-primrose. Phenology: (Jan-) May-Oct (-Dec). Habitat: Coastal sand dunes, disturbed sandy areas and lawns on barrier islands. Distribution: S. NJ south to s. FL, west to s. LA, along the coast.
Origin/Endemic status: Endemic
Synonymy ⓘ: = C, F, Fl4, FNA10, G, K4, RAB, S13, Tat, Va, WH3, Dietrich & Wagner (1988), Munz (1965), Wagner, Hoch, & Raven (2007); > Raimannia humifusa (Nutt.) Rose — S; > Raimannia mollissima (L.) Sprague & Riley — S, misapplied. Basionym: Oenothera humifusa Nutt. 1818
Links to other floras: = Oenothera humifusa - FNA10
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Heliophily ⓘ: 9
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Horticultural Information
Intro: Trailing-leaning perennial found on coastal sand dunes.
Stems: Stems simple or divergently branched from base, slightly woody at base and densely furry.
Leaves: Leaves alternate, sessile, oblong to oblong-lance-shaped or elliptic with sharp tips, to 3½ in. long, with some shallow teeth, gray-green and densely furry.
Inforescence:
Flowers: Flowers sessile in upper leaf axils (these leaves reduced in size), bright-yellow (becoming reddish with age), about 1 in. wide, consisting of 4 notch-tipped petals, an elongated calyx tube with 4 reflexed and furry sepals, 8 stamens and a cross-shaped stigma.
Fruits: Fruit a cylindric, usually curved capsule.
Comments: Flowers open in evening.
Height: 4-30 in.
plant sale text:
bloom table text:
description: Trailing-leaning perennial found on coastal sand dunes.
stems: Stems simple or divergently branched from base, slightly woody at base and densely furry.
leaves: Leaves alternate, sessile, oblong to oblong-lance-shaped or elliptic with sharp tips, to 3½ in. long, with some shallow teeth, gray-green and densely furry.
inflorescence:
flowers: Flowers sessile in upper leaf axils (these leaves reduced in size), bright-yellow (becoming reddish with age), about 1 in. wide, consisting of 4 notch-tipped petals, an elongated calyx tube with 4 reflexed and furry sepals, 8 stamens and a cross-shaped stigma.
fruits: Fruit a cylindric, usually curved capsule.
comments: Flowers open in evening.
cultural notes:
germination code:
native range:
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