The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

limestone hedge-hyssop, Quarterman's hedge-hyssop

Habit Annuals.
Stems

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

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.

Pedicels

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

bracteoles 2, 2–4.5 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.

Capsules

ovoid, 3.4–5.1 × 3–4.5 mm.

Seeds

0.4–0.7 mm.

Gratiola quartermaniae

Phenology Flowering Apr–Jun.
Habitat Seeps, pools, and streams in limestone and dolomite glades, alvars, calcareous grasslands.
Elevation 50–300 m. (200–1000 ft.)
Distribution
from FNA
AL; IL; KY; TN; TX; ON
[BONAP county map]
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.)

Source FNA vol. 17, p. 268.
Parent taxa 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
Name authority D. Estes: J. Bot. Res. Inst. Texas 1: 163, figs. 3C,F, 8. (2007)
Web links