Dudleya pulverulenta (Nutt.) Britton & Rose

Chalk dudleya (en)

Species

Angiosperms > Saxifragales > Crassulaceae > Dudleya

Characteristics

Caudices (becoming decumbent), simple, to 50 × 4-10 cm, (densely covered proximally with old leaves), axillary branches absent. Leaves: rosettes solitary, not in clumps, 30-80-leaved, 25-60 cm diam.; blade chalky white, oblong to oblong-oblanceolate, widest at base or in distal 1/3, 8-25(-30) × 3-10[-13] cm, 3-10 mm thick, base 3-8 cm wide, apex acuminate to cuspidate, surfaces puberulent, chalky. Inflorescences: cyme mostly densely 2-5-branched, obpyramidal to cylindric; branches twisted at base (flowers on underside), simple or 1 times bifurcate; cincinni 2-5, (in age straight and spreading to erect), 10-30-flowered, circinate, 10-50 cm; floral shoots 30-100 [-150] × 0.5-2 cm; leaves 20-70, spreading to deflexed, (becoming red), cordate-ovate to suborbiculate, 20-50 × 15-30 mm, apex acuminate. Pedicels pendent or declined, in age sharply bending near middle to bring fruits ± erect, 10-35 mm. Flowers: calyx 5-9 × 5-8 mm; petals connate 6-10 mm, red, 11-19 × 2-4.5 mm, apex acute to obtuse, tips erect; pistils connivent, erect. Unripe follicles erect. 2n = 34.
More
A succulent plant. It grows a rind of wide, flat, fleshy leaves. They are pale green. These spread 45 cm across. It produces a tall erect stem 60 cm long. The plant has a coating of powdery wax. There are many flowers on a flower stalk. They are reddish.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.38 - 0.98
Mature height (meter) 0.2 - 0.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway cam

Environment

Found in coastal sage scrub and chaparral plant communites from sea level to elevations of 1500 metres.
More
It is a Mediterranean climate plant. It grows in open rocky areas. It suits USDA hardiness zone 8.
Light 6-9
Soil humidity 2-5
Soil texture 4-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 7-10

Usage

The leaves can be eaten raw.
Uses medicinal
Edible leaves stems
Therapeutic use Dermatological Aid (leaf), Respiratory Aid (root)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -5
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Dudleya pulverulenta leaf picture by James James (cc-by-sa)
Dudleya pulverulenta leaf picture by Henry Broeska (cc-by-sa)
Dudleya pulverulenta leaf picture by Henry Broeska (cc-by-sa)

Flower

Dudleya pulverulenta flower picture by Henry Broeska (cc-by-sa)

Distribution

Dudleya pulverulenta world distribution map, present in Dominican Republic, Haiti, Mexico, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:85620-2
WFO ID wfo-0000657737
COL ID 6DPG8
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Dudleya pulverulenta Cotyledon peacockii Cotyledon pulverulenta Echeveria argentea Echeveria peacockii Echeveria pulverulenta Dudleya pulverulenta subsp. pulverulenta

Lower taxons

Dudleya pulverulenta var. arizonica