Hypericum galioides


in J. Lamarck et al., Encycl. 4: 161. 1797.

Synonyms: Brathydium ambiguum (Elliott) K. Koch Hypericum ambiguum Elliott H. axillare Lamarck H. galioides var. ambiguum (Elliott) Chapman H. galioides var. axillare (Lamarck) Grisebach H. michauxii (Poiret) Spach Myriandra galioides M. michauxii
Treatment appears in FNA Volume 6. Treatment on page 78. Mentioned on page 75, 79.

Shrubs, erect, forming rounded clumps, 5–15 dm. Stems: internodes 6-lined at first, soon 4-lined, then terete. Leaf blades narrowly oblong-elliptic or oblanceolate to linear, 15–32(–37) × 1–7 mm, base articulated, attenuate, margins recurved to revolute, apex rounded to acute, midrib obscurely branched. Inflorescences narrowly cylindric, 3–15-flowered from apical node, with (1–)3–5-flowered dichasia from 3–4 proximal nodes, sometimes with additional flowering branches. Flowers 9–14 mm diam.; sepals deciduous, not enclosing capsule, 5, oblanceolate-spatulate to linear, subequal or equal, 3.5–6.5 × 0.5–1.5 mm; petals 5, bright yellow, obovate-oblanceolate, 5–9 mm; stamens deciduous, 60–120; ovary 3-merous, placentation parietal. Capsules narrowly ovoid-conic, 4.5–6 × 2.5–3.5 mm. Seeds narrowly carinate, 0.7–0.8 mm; testa finely reticulate. 2n = 18.

Phenology: Flowering summer (Jun–Aug).
Habitat: Wet or moist, open habitats (stream banks, flood plains, roadside ditches, low pine forest, etc.), coastal plain
Elevation: 0–200 m


V6 121-distribution-map.jpg

Ala., Fla., Ga., La., Miss., N.C., S.C., Tex.


The leaves of Hypericum galioides vary considerably in width; the lamina is always visible on either side of the midrib.

Selected References


Lower Taxa

... more about "Hypericum galioides"
Norman K. B. Robson +
Lamarck +
Undefined sect. Myriandra +
Ala. +, Fla. +, Ga. +, La. +, Miss. +, N.C. +, S.C. +  and Tex. +
0–200 m +
Wet or moist, open habitats (stream banks, flood plains, roadside ditches, low pine forest, etc.), coastal plain +
Flowering summer (Jun–Aug). +
in J. Lamarck et al., Encycl. +
Brathydium ambiguum +, Hypericum ambiguum +, H. axillare +, H. galioides var. ambiguum +, H. galioides var. axillare +, H. michauxii +, Myriandra galioides +  and M. michauxii +
Hypericum galioides +
Hypericum sect. Myriandra +
species +