Polygala appendiculata |
Polygala rugelii |
|
---|---|---|
swamp milkwort |
yellow milkwort |
|
Habit | Herbs annual, single-stemmed, (1–)2–5(–6) dm, branched distally; from taproot, usually quickly becoming fibrous root cluster. | Herbs annual or biennial, single- or multi-stemmed, 2–7.8 dm, usually branched distally or unbranched; usually from fibrous root cluster or taproot. |
Stems | erect, glabrous. |
erect, glabrous. |
Leaves | alternate; sessile or subsessile; blade linear to subfiliform, 8–25 × 0.5–1 mm, base obtuse to cuneate, apex acute to acuminate, surfaces glabrous. |
sometimes with basal rosette at anthesis; alternate; sessile or subsessile, proximal leaves sometimes with narrow, petiolelike base to 2 mm; basal blade spatulate, cauline obovate, oblanceolate, or spatulate proximally, becoming lanceolate distally, basal to 30–60 × 5–15 mm, cauline 8–45 × 2–8(–12) mm, succulent, base cuneate or acute, apex usually acute, sometimes obtuse or rounded proximally, surfaces glabrous. |
Racemes | cylindric, 1.5–13 × 0.5–0.6 cm; peduncle 0.5–1 cm; bracts deciduous, narrowly lanceolate-ovate. |
capitate, usually 2.5–3(–5) × 1.8–2.5 cm; peduncle 1–15 cm; bracts usually deciduous, narrowly ovate to linear-lanceolate. |
Pedicels | 0.8–1 mm, glabrous. |
winged, 2–2.5 mm, glabrous. |
Flowers | usually purplish pink or lavender-pink, rarely white, 1.6–2.2 mm; sepals ovate to narrowly lanceolate-ovate, 0.6–1 mm; wings obovate or elliptic, 1.5–2 × 0.8–1 mm, apex obtuse to bluntly rounded; keel 1.5–2 mm, crest 2-parted, with 2–3 lobes on each side. |
bright yellow, drying pale yellow to dark greenish brown, 6–9 mm; sepals decurrent on pedicel, deltate-subulate to ovate, 1.5–2.5 mm, ciliolate; wings oblong, elliptic, or obovate, 4.5–9 × 2–4 mm, apex acuminate, acumen 0.5–0.8 mm, involute; keel 5–6 mm, crest 2-parted, with 2–4 2-fid lobes on each side. |
Capsules | oblong to ellipsoid, 1.4–2 × 0.7–1.1 mm, margins not winged. |
obovoid, ellipsoid or subglobose, 1.5–2 × 1.5–2 mm, margins not winged. |
Seeds | 1–1.2 mm, pubescent; aril 0.1(–0.2) mm, lobes less than 1/8 length of seed. |
1.2–1.6 mm, pubescent; aril 1.1–1.6 mm, lobes subequal to or greater than length of seed. |
2n | = 64, 68. |
|
Polygala appendiculata |
Polygala rugelii |
|
Phenology | Flowering spring–early summer. | Flowering spring–late fall. |
Habitat | Savannas, pastures, bogs, open pine woods, pond margins. | Wet flatwoods, open areas (including prairielike or savannalike openings). |
Elevation | 0–100 m. (0–300 ft.) | 0–50 m. (0–200 ft.) |
Distribution |
FL; LA; MS; TX; Central America; South America; Mexico (Campeche, México, Michoacán, Tabasco, Veracruz); West Indies
|
FL
|
Discussion | Polygala appendiculata is part of a widespread complex in Latin America, potentially representing more than one evolutionary lineage. Even if found to be a single lineage, it is one with a complicated nomenclatural history (J. F. B. Pastore 2013). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Polygala rugelii occurs in all of the peninsular counties. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 10. | FNA vol. 10. |
Parent taxa | Polygalaceae > Polygala | Polygalaceae > Polygala |
Sibling taxa | ||
Synonyms | P. leptocaulis | Pilostaxis rugelii |
Name authority | Vellozo: Fl. Flumin., 292. (1829): plate 66. (1831) | Shuttleworth ex A. Gray: Smithsonian Contr. Knowl. 3(5): 41. (1852) |
Web links |