Penstemon speciosus Douglas

Royal penstemon (en)

Species

Angiosperms > Lamiales > Plantaginaceae > Penstemon

Characteristics

A perennial hermaphrodite herb. It grows 0.8m high.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.8
Root system -
Rooting depth (meter) 0.4
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-8
Soil humidity 2-2
Soil texture -
Soil acidity 5-8
Soil nutriment -
Hardiness (USDA) 4-10

Usage

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

Cultivation

Mode -
Germination duration (days) 18 - 21
Germination temperacture (C°) 12 - 15
Germination luminosity light
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Flower

Penstemon speciosus flower picture by Ben Ben (cc-by-sa)

Distribution

Penstemon speciosus world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:808297-1
WFO ID wfo-0001137139
COL ID 76KPQ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Penstemon rex Penstemon piliferus Penstemon speciosus Penstemon kennedyi Penstemon pilifer Penstemon deserticola Penstemon speciosus subsp. speciosus Penstemon glaber var. speciosus

Lower taxons

Penstemon speciosus subsp. kennedyi Penstemon speciosus var. piliferus