Ephedra nevadensis S.Watson

Nevada ephedra (en)

Species

Gymnosperms > Gnetales > Ephedraceae > Ephedra

Characteristics

Shrubs erect, 0.25--1.5 m. Bark gray, fissured. Branches alternate or whorled, rigid, angle of divergence about 45°. Twigs pale green, becoming yellow with age, not viscid, glaucous, with numerous longitudinal grooves; internodes 1--6 cm. Terminal buds conic, 1--3 mm, apex obtuse. Leaves opposite (rarely in whorls of 3), 2--4(--8) mm, connate to 1/2--3/4 their length; bases thickened, brown, completely deciduous; apex obtuse. Pollen cones 1--several at node, ellipsoid, 4--8 mm, sessile or on short peduncles with 2 pairs of basal bracts; bracts opposite, 5--9 pairs, yellow to light brown, obovate, 3--4 × 2--3 mm, membranous; bracteoles slightly exceeding bracts; sporangiophores 3--5 mm, exserted to 1/4--1/2 their length, with 6--9 sessile to short-stalked (less than 1 mm) microsporangia. Seed cones 1--several at node, nearly globose, 5--11 mm, on long peduncles, with 1--2 pairs of basal bracts; bracts opposite, 3--5 pairs, nearly circular, 4--8 × 3--6 mm, herbaceous, with light brown to yellow-green center, occasionally pinkish tinged, margins entire. Seeds (1--)2, ellipsoid, 6--9 × 2--4 mm, brown, smooth. 2 n = 14, 28.
More
An evergreen shrub. It grows 1 m tall and spreads 1 m wide. The stems are green and leafless. The flowers are small and green. Plants are separately male and female. The fruit are red berries.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) 1.0
Mature height (meter) 0.95 - 1.2
Root system -
Rooting depth (meter) 0.35
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Dry, rocky slopes and hills, rarely in sandy flat areas, at elevtions of 700-1900 metres.
More
It is a temperate plant. It grows in arid regions.
Light 7-8
Soil humidity 1-4
Soil texture 4-6
Soil acidity 5-8
Soil nutriment -
Hardiness (USDA) 6-8

Usage

The green or dried twigs are used to make a tea. The seeds are ground into flour to make a bitter bread.
Uses animal food beverage environmental use food material medicinal tea
Edible fruits roots seeds stems
Therapeutic use Venereal Aid (leaf), Kidney Aid (leaf), Venereal Aid (root), Blood Medicine (unspecified), Other (unspecified), Unspecified (unspecified), Adjuvant (unspecified), Burn Dressing (unspecified), Venereal Aid (unspecified), Dermatological Aid (unspecified), Diuretic (unspecified), Headache (unspecified), Fumitory (unspecified), Venereal (unspecified), Depurative (unspecified), Tea (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown by seed or by division.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -12
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Ephedra nevadensis unspecified picture

Distribution

Ephedra nevadensis world distribution map, present in United States of America

Conservation status

Ephedra nevadensis threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:383434-1
WFO ID wfo-0000794434
COL ID 6FNH6
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Ephedra antisiphylitica Ephedra nevadensis Ephedra nevadensis f. rosea Ephedra antisyphilitica var. pedunculata Ephedra nevadensis subvar. paucibracteata