Index / Search / Cressa truxillensis

§1 Plant

Cressa truxillensis Kunth

vernacular spreading alkaliweed — species · Convolvulaceae


USDA
CRTR5
GBIF
5341708
Rank
species
spreading alkaliweed (Cressa truxillensis)
Platephotograph · Marco Polo amarillas vargasCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Forb/herb, Subshrub
Duration
Perennial
Group
Dicot
Family
Convolvulaceae Juss.
Genus
Cressa
§2a

Native status, by region

  • HI Hawaii Introduced
  • L48 Lower 48 States Native
§2b

County-level range

· 7 counties across 1 state
Legend Native · 7 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought
Low
Shade
High
Moisture use
Medium
Fire
Low
Salinity
High
Anaerobic
Medium
CaCO₃
High
Hedging
None
§3b

Climate & soil

Cold tolerance
-13 °F minimum
Frost-free days
160 min.
Precipitation
8–14 in/yr
pH range
6.8–9.2
Root depth
8 in min.
Fertility need
Low
Soil texture
medium, fine
§3c

Form & growth

Growth form
Single Crown
Growth rate
Moderate
Lifespan
Moderate
Mature height
0.8 ft
Foliage texture
Coarse
Foliage colour
Gray-Green
Porosity (summer)
Porous
Porosity (winter)
Porous
Flower colour
White
Fruit colour
Brown
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Late Spring
Seed abundance
Medium
Seed begins
Summer
Seed ends
Summer
Spread rate
Slow
Stratify
No
Seeds / lb
70,000
Propagation
seed
§3e

Use & availability

Commercial availability
No Known Source
Nursery stock
No
Palatable, human
No
Lumber
No
Christmas tree
No

§4Counties, by state

Recorded in 7 counties across 1 state.


§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/CRTR5 ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/5341708 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T07:25:30Z