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FNA | Family List | FNA Vol. 12 | Celastraceae

9. Parnassia caroliniana Michaux, Fl. Bor.-Amer. 1: 184. 1803.

Herbs with horizontal creeping rhizomes. Stems 20–60 cm. Leaves: basal 1–2 per node on rhizomes; petiole 8–22 cm; blade (of larger leaves) ovate to suborbiculate, 20–75 × 15–70 mm, <longer than to ca. as long as wide>, base rounded to subcordate, apex obtuse; cauline on proximal 1/2 of stem or absent. Flowers: sepals reflexed in fruit, oblong to oblong-elliptic, 3.5–5 mm, margins hyaline, 0.2 mm wide, entire, apex obtuse; petals 7–12-veined, broadly ovate, 14–20 × 9–12 mm, length 3–4 times sepals, base rounded, margins entire or undulate; stamens 7–11 mm; anthers 1.8–3 mm; staminodes 3-fid almost to base, gland-tipped, 9–14 mm, longer than stamens, apical glands lanceolate, 1–1.7 mm; ovary white. Capsules 10–15 mm.

Flowering late summer–fall. Wet pine savannas, seepage slopes, streamhead ecotones, all subject to recurring fires; 10–300 m; Fla., N.C., S.C.

Parnassia caroliniana is rare throughout its range; it is listed as endangered in Florida and North Carolina.


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