Tiarella cordifolia L.

Heartleaved foamflower (en)

Species

Angiosperms > Saxifragales > Saxifragaceae > Tiarella

Characteristics

Flowering stems 15-40 cm. Leaves simple; cauline leaves absent or 1; petiole 0.2-2 dm; blade 3-13 × 3-10 cm. Inflorescences racemes, 15-50-flowered, 4-40 × 1-2 cm. Pedicels subtended by finely dissected bracts, 0.1-0.8 cm, glandular-stipitate. Flowers: hypanthium campanulate, 3-6 mm, glandular-stipitate; perianth radially symmetric; sepals spreading at anthesis, reflexed in fruit, 1.5-3.5 × 0.5-1 mm; petals caducous, spreading, oblanceolate to elliptic, unlobed, 0.6-1 × 3-4.5 mm, base clawed, apex 3-toothed; stamens equal, 2-6 mm; anthers oval, 0.3-0.5 mm. Capsules 0.5-1.1 cm. Seeds 4-15, ellipsoid, 0.9-1 × 0.4-0.7 mm. 2n = 14.
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Plants erect, 1–3.5 dm, usually with long stolons; basal lvs broadly cordate-ovate to subrotund, shallowly 3–5-lobed, crenate, sparsely hairy; raceme at first crowded, later to 1 dm; pedicels 5–10 mm; sep elliptic-obovate, 2–3.5 mm, blunt; pet 3–5 mm; fr thin-walled, the larger carpel 10 mm, the smaller one often only half as long; 2n=14. Rich woods; N.S. to Ont. and e. Wis., s. to Ga. and Ala. Spring. Var. collina Wherry (T. wherryi Lakela), without stolons, occurring n. as far as Ky. andVa., is of doubtful status.
A herb. It grows 30 cm high and spreads 40-50 cm wide. It has underground stems or rhizomes. The leaves are hairy and have lobes. There are teeth along the edge. The leaves are heart shaped and 10 cm long. The flower is white. They are in fine sprays. The flower stalks are thin.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 0.25 - 0.5
Mature height (meter) 0.2 - 0.35
Root system creeping-root rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a temperate plant. It grows in woodlands. It suits hardiness zones 3-9.
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Rich moist woodlands in the mountains.
Light 3-7
Soil humidity 3-7
Soil texture 1-6
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 3-9

Usage

Uses medicinal
Edible -
Therapeutic use Dietary Aid (leaf), Eye Medicine (leaf), Pediatric Aid (leaf), Tonic (leaf), Dermatological Aid (root), Dietary Aid (root), Oral Aid (root), Other (root), Pediatric Aid (root), Tonic (root), Antidiarrheal (root), Oral Aid (unspecified), Hunting Medicine (unspecified), Orthopedic Aid (unspecified), Pediatric Aid (unspecified), Antacid (unspecified), Diuretic (unspecified), Gravel (unspecified), Oliguria (unspecified), Stone (unspecified), Tonic (unspecified), Urogenital (unspecified), Expectorant (unspecified), Kidney (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by divisions or seedlings.
Mode divisions seedlings
Germination duration (days) 14 - 90
Germination temperacture (C°) 14 - 16
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Tiarella cordifolia habit picture by Bianca Legault (cc-by-sa)
Tiarella cordifolia habit picture by Bianca Legault (cc-by-sa)
Tiarella cordifolia habit picture by Maarten Vanhove (cc-by-sa)

Leaf

Tiarella cordifolia leaf picture by kelly schultz (cc-by-sa)
Tiarella cordifolia leaf picture by Feya Sterling (cc-by-sa)
Tiarella cordifolia leaf picture by Ed Lehming (cc-by-sa)

Flower

Tiarella cordifolia flower picture by David Hinds (cc-by-sa)
Tiarella cordifolia flower picture by Anton Dubov (cc-by-sa)
Tiarella cordifolia flower picture by Feya Sterling (cc-by-sa)

Distribution

Tiarella cordifolia world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:30175905-2
WFO ID wfo-0000459230
COL ID 7BYQC
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Tiarella cordifolia f. cordifolia Tiarella wherryi Tiarella macrophylla Tiarella cordifolia f. tridentata Tiarella cordifolia var. cordifolia Tiarella cordifolia var. austrina Tiarella cordifolia var. bracteata Tiarella cordifolia var. collina Tiarella cordifolia