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limestone hedge-hyssop, Quarterman's hedge-hyssop

yellow hedge-hyssop

Habit Annuals. Annuals.
Stems

erect, simple or few-branched, (7–)10–21(–30) cm, glabrous or glabrate proximally, sparsely glandular-puberulent distally.

ascending to erect, usually much-branched from base, 5–10 cm, glabrous.

Leaves

blade linear to linear-lanceolate or lanceolate-elliptic, often falcate, (16–)18–30(–43) × (1–)2.5–5 mm, margins entire or with 1 or 2(or 3) pairs of blunt teeth distally, apex obtuse to acute, surfaces glabrous or glabrate.

blade linear-lanceolate, 5–15 × 1–5 mm, margins entire or with 1 or 2 pairs of teeth distally, apex obtuse, surfaces glabrous.

Pedicels

slender, 7–14(–22) mm, length 0.5–1(–1.6) times bract, sparsely glandular-puberulent;

bracteoles 2, 2–4.5 mm.

slender, 4–10 mm, length 1–2.3 times bract, glabrous;

bracteoles 1, 1.5–4 mm.

Flowers

sepals distinct, lanceolate, 2.7–5 mm;

corolla 7–9 mm, tube and limb white tinged with pink or purple, veins white to greenish white or lavender;

style 3–4.6 mm.

sepals distinct, linear to linear-lanceolate, 3–6 mm;

corolla 9–12 mm, tube yellow to orangish yellow, veins yellow to greenish yellow or brownish yellow, limb yellow;

style 3–5 mm.

Capsules

ovoid, 3.4–5.1 × 3–4.5 mm.

ovoid, 2–2.5 × 1.5–2 mm.

Seeds

0.4–0.7 mm.

0.3–0.4 mm.

Gratiola quartermaniae

Gratiola torreyi

Phenology Flowering Apr–Jun. Flowering Mar–Apr.
Habitat Seeps, pools, and streams in limestone and dolomite glades, alvars, calcareous grasslands. Wet, exposed soils in meadows, clearings in post oak woodlands, saline prairies.
Elevation 50–300 m. (200–1000 ft.) 0–100 m. (0–300 ft.)
Distribution
from FNA
AL; IL; KY; TN; TX; ON
[BONAP county map]
from FNA
LA; TX
Discussion

Populations of Gratiola quartermaniae are concentrated in northern Alabama and central Tennessee. Disjunct populations are known from the Edwards Plateau of Texas, Will County, Illinois, and southeastern Ontario. D. Estes and R. L. Small (2007) discussed the distribution and ecology of G. quartermaniae.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

The name Gratiola flava has been widely used for G. torreyi. F. W. Pennell (1935) synonymized G. torreyi with G. neglecta, stating that the type of G. torreyi (Wright s.n., NY) has white corolla lobes and yellow corolla tubes instead of entirely golden yellow corollas as reported by Small in the protologue of G. torreyi. The statement by Pennell appears to be in error.

M. H. MacRoberts et al. (2007) discussed historic and recent collections of Gratiola torreyi (as G. flava) from Louisiana. The provenance of collections attributed to Arkansas is equivocal (MacRoberts et al.).

Gratiola pusilla Torrey ex Bentham 1846 (not Willdenow 1797) is an illegitimate name and pertains here.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 17, p. 268. FNA vol. 17, p. 268.
Parent taxa Plantaginaceae > Gratiola Plantaginaceae > Gratiola
Sibling taxa
G. amphiantha, G. brevifolia, G. ebracteata, G. floridana, G. graniticola, G. heterosepala, G. lutea, G. neglecta, G. ramosa, G. torreyi, G. virginiana, G. viscidula
G. amphiantha, G. brevifolia, G. ebracteata, G. floridana, G. graniticola, G. heterosepala, G. lutea, G. neglecta, G. quartermaniae, G. ramosa, G. virginiana, G. viscidula
Synonyms G. flava
Name authority D. Estes: J. Bot. Res. Inst. Texas 1: 163, figs. 3C,F, 8. (2007) Small: Fl. S.E. U.S., 1066, 1338. (1903)
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