Opuntia polyacantha var. polyacantha (Engelm. & J.M.Bigelow) Britton & Rose

Hairspine pricklypear (en)

Variety

Angiosperms > Caryophyllales > Cactaceae > Opuntia > Opuntia polyacantha

Characteristics

Stem segments broadly obovate to circular, (4-)8.5-12 × (4-)5.5-11 cm; areoles 6-11 per diagonal row across midstem segment, 6-13 mm apart. Spines in most areoles, of 2 kinds: major spines (0-)1-3(-5) per areole, ± deflexed to reflexed or porrect at stem segment apex, yellow-brown to gray, 20-35(-40) mm; minor spines 0-5 per areole, deflexed, white, 5-10(-16) mm, sometimes spines of basal and near basal areoles are long, flexible, curling. Fruits stout; areoles 12-28, most bearing (4-)6-15 spines, 5-10 mm. 2n = 22, 44.
Life form perennial
Growth form shrub
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 1.5 - 2.5
Mature height (meter) 0.1 - 0.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity -
Soil texture -
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 8-11

Usage

Uses -
Edible -
Therapeutic use -
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°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Opuntia polyacantha var. polyacantha world distribution map, present in Canada and United States of America

Identifiers

LSID -
WFO ID wfo-0001287417
COL ID 753MH
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Opuntia trichopora Opuntia missouriensis f. albispina Opuntia missouriensis f. trichophora Opuntia polyacantha f. platycarpa Opuntia missouriensis Opuntia trichophora Opuntia juniperina Opuntia heacockiae Opuntia missouriensis var. platycarpa Opuntia polyacantha var. platycarpa Opuntia polyacantha var. albispina Opuntia polyacantha var. trichophora Opuntia polyacantha var. juniperina Opuntia missouriensis var. trichophora Opuntia missouriensis var. albispina Opuntia polyacantha var. polyacantha