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

Texas saxifrage

Columbian saxifrage, grassland saxifrage, northwestern saxifrage, smooth leaf saxifrage, swamp saxifrage, whole-leaf saxifrage

Habit Plants solitary or in clumps, with bulbils on caudices. Plants solitary or in clumps, (sometimes gynodioecious), often with bulbils on caudices, or short-rhizomatous.
Leaves

basal;

petiole flattened, 1–3 cm;

blade broadly ovate to oblong, 1.5–3 cm, ± leathery, base ± abruptly attenuate, margins subentire to slightly crenate, eciliate, surfaces glabrate to sparsely hairy.

basal;

petiole flattened, 0.5–4 cm;

blade narrowly to broadly ovate, 2–7 cm, ± leathery, base attenuate, margins entire or minutely denticulate, usually ciliate, surfaces sparsely to moderately hairy.

Inflorescences

20+-flowered, branched, ± capitate thyrses, 10–15 cm, hairy, sometimes purple-tipped stipitate-glandular.

(15–)20+-flowered, open to ± congested, conic thyrses, (usually branched, lateral cymules ± open), 12–35 cm, densely pink- to purple-tipped stipitate-glandular.

Flowers

sepals erect, ovate;

petals white, not spotted, ± obovate, clawed, 2–3.5 mm, ± equaling sepals;

filaments linear, flattened;

pistils 3+, connate to 1/2 their lengths;

ovary 1/2+ inferior, appearing more superior in fruit.

sepals spreading to slightly reflexed, ovate;

petals white, not spotted, obovate, clawed, 2–4 mm, longer than sepals;

filaments linear, flattened;

pistils connate to 1/2 their lengths;

ovary 1/2+ inferior.

Capsules

reddish to purplish, valvate.

reddish or purplish, folliclelike.

2n

= 38.

Micranthes texana

Micranthes integrifolia

Phenology Flowering late winter–spring. Flowering late winter–spring.
Habitat Sandy flats, rocky, open, wooded areas, granite outcrops Vernally moist meadows, grassy slopes, rock outcrops
Elevation 50-500 m (200-1600 ft) 0-1800 m (0-5900 ft)
Distribution
from FNA
AR; GA; KS; LA; MO; OK; TX
[BONAP county map]
from FNA
CA; OR; WA; BC
[WildflowerSearch map]
[BONAP county map]
Discussion

The occasional occurrence of sterile pollen has been noted in this as well as in other species of Micranthes (as Saxifraga, K. I. Beamish 1961). Some populations exhibit gynodioecism (P. E. Elvander 1982).

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

Source FNA vol. 8, p. 68. FNA vol. 8, p. 67.
Parent taxa Saxifragaceae > Micranthes Saxifragaceae > Micranthes
Sibling taxa
M. apetala, M. aprica, M. bryophora, M. californica, M. calycina, M. careyana, M. caroliniana, M. eriophora, M. ferruginea, M. foliolosa, M. fragosa, M. gaspensis, M. gormanii, M. hieraciifolia, M. hitchcockiana, M. howellii, M. idahoensis, M. integrifolia, M. lyallii, M. marshallii, M. micranthidifolia, M. nelsoniana, M. nidifica, M. nivalis, M. nudicaulis, M. occidentalis, M. odontoloma, M. oregana, M. palmeri, M. pensylvanica, M. petiolaris, M. razshivinii, M. reflexa, M. rhomboidea, M. rufidula, M. spicata, M. stellaris, M. subapetala, M. tempestiva, M. tenuis, M. tischii, M. tolmiei, M. unalaschcensis, M. virginiensis
M. apetala, M. aprica, M. bryophora, M. californica, M. calycina, M. careyana, M. caroliniana, M. eriophora, M. ferruginea, M. foliolosa, M. fragosa, M. gaspensis, M. gormanii, M. hieraciifolia, M. hitchcockiana, M. howellii, M. idahoensis, M. lyallii, M. marshallii, M. micranthidifolia, M. nelsoniana, M. nidifica, M. nivalis, M. nudicaulis, M. occidentalis, M. odontoloma, M. oregana, M. palmeri, M. pensylvanica, M. petiolaris, M. razshivinii, M. reflexa, M. rhomboidea, M. rufidula, M. spicata, M. stellaris, M. subapetala, M. tempestiva, M. tenuis, M. texana, M. tischii, M. tolmiei, M. unalaschcensis, M. virginiensis
Synonyms Saxifraga texana Saxifraga integrifolia
Name authority (Buckley) Small: Fl. S.E. U.S., 501. 1903 , (Hooker) Small: in N. L. Britton et al., N. Amer. Fl. 22: 137. 1905 ,
Web links