Obolaria virginica Linnaeus. Common name: Pennywort. Phenology: (Late Feb-) Mar-Jun; May-Jul. Habitat: Nutrient-rich, moist to dry forests, mesic hammocks. Distribution: NJ west to OH, s. IN, and s. IL, south to Panhandle FL (Jefferson County) and se. LA (reported from TX).
ID notes: The small purplish-green plants are inconspicuous, often nearly hidden under fallen leaves.
Origin/Endemic status: Native
Other Comments: Obolaria has well-developed mycorrhizae and is substantially mycoheterotrophic (Cameron & Bolin 2010).
Synonymy ⓘ: = Ar, C, F, Fl5, FNA14, G, Il, K4, Mo3, Pa, RAB, S, Tat, Tn, Tx, Va, W, WH3, WV, Gillett (1959). Basionym: Obolaria virginica L. 1753
Links to other floras: = Obolaria virginica - FNA14
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Heliophily ⓘ: 3
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Horticultural Information
Intro: Inconspicuous perennial growing in the leaf litter of nutrient-rich, moist to dry forests.
Stems: Stems short, fleshy, simple (very occasionally branched) with an overall purple-green coloration.
Leaves: Leaves opposite and sessile, roundish, less than ½ in. long, thick textured, the lower leaves bract-like.
Inforescence:
Flowers: Flowers solitary, or in clusters of 3, in upper leaf axils; white to lavender; tubular, but cleft to the middle of the tube into 4 diamond-shaped lobes.
Fruits:
Comments: This spring ephemeral is often barely visible above the leaf litter; it has little chlorophyll and is believed to be a mycoheterotroph, obtaining nutrients via underground fungi associated with tree roots.
Height: 1-6 in.
plant sale text:
bloom table text:
description: Inconspicuous perennial growing in the leaf litter of nutrient-rich, moist to dry forests.
stems: Stems short, fleshy, simple (very occasionally branched) with an overall purple-green coloration.
leaves: Leaves opposite and sessile, roundish, less than ½ in. long, thick textured, the lower leaves bract-like.
inflorescence:
flowers: Flowers solitary, or in clusters of 3, in upper leaf axils; white to lavender; tubular, but cleft to the middle of the tube into 4 diamond-shaped lobes.
fruits:
comments: This spring ephemeral is often barely visible above the leaf litter; it has little chlorophyll and is believed to be a mycoheterotroph, obtaining nutrients via underground fungi associated with tree roots.
cultural notes:
germination code:
native range: eastern United States
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