Heuchera maxima Greene

Jill of the rocks (en)

Species

Angiosperms > Saxifragales > Saxifragaceae > Heuchera

Characteristics

Herbs caulescent; caudex branched. Flowering stems 9-30 cm, short or long stipitate-glandular, viscid. Leaves: petiole (7-22 cm), densely long stipitate-glandular; blade pentagonal to septagonal, deeply 5-lobed, 6.3-17 cm, base deeply cordate, lobes rounded, margins crenate, apex obtuse, surfaces long stipitate-glandular abaxially, glabrous adaxially except long stipitate-glandular near margins, viscid. Inflorescences dense. Flowers: hypan-thium radially symmetric, free 0.3-1.4 mm, white to pink, hemispheric, 2.5-4.2 mm, densely long stipitate-glandular; sepals somewhat spreading, green-or red-tipped, equal, 0.7-2 mm, apex rounded or truncate, (medium to long stipitate-glandular); petals spreading, white, oblong-lanceolate, (clawed), unlobed, 2-4 mm, margins entire; stamens exserted 0.4-2.5 mm; styles exserted to 2 mm, 1.5-4 mm, 0.1+ mm diam. Capsules ovoid, 4-8 mm, beaks divergent, not papillose. Seeds black, broadly fusiform, 0.4 mm. 2n = 14.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 1-6
Soil humidity -
Soil texture -
Soil acidity 2-6
Soil nutriment -
Hardiness (USDA) 8-9

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by divisions.
Mode divisions
Germination duration (days) 10 - 60
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Heuchera maxima unspecified picture

Distribution

Heuchera maxima world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:121607-2
WFO ID wfo-0001135501
COL ID 3LFR2
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Heuchera maxima