Flora of North America species comparison

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Crassula argentea

Crassula viridis

jade plant

pricklyseed pygmyweed
Habit Plants terrestrial, perennial. Plants aquatic, annual.
Stems

erect, silvery in age, moderately branched, 30–50 cm.

decumbent, dark yellowish in age, branched, 5–7 cm.
Leaf

blades obovate, 20–70 mm, apex obtuse to retuse.

blades linear, 3–12 mm, apex narrowly acute or attenuate.
Inflorescences

compact, flowers 2 per node.

lax;

flowers 1 per node.
Pedicels

8–12 mm.

0.5–6 mm.
Flowers

4-merous;

sepals (erect), triangular, 0.5 mm, apex acute;

petals oblong-lanceolate, ca. 10 mm.

4-merous;

sepals triangular-ovate, 0.7–0.8 mm, apex obtuse;

petals triangular, 1.3 mm.
Seeds

not seen.

oblong to narrowly reniform, 0.4–0.6 × 0.1–0.3 mm, papillate, dull, rugose.
Follicles

erect, seed number not known, ovoid;

old follicles erect, boat-shaped.

ascending, 6–12-seeded, obliquely sublanceolate;

old follicles spreading, flat.

Crassula argentea

Crassula viridis
Phenology Flowering Mar–Jun. Flowering spring.
Habitat Edges of lagoons, sand dunes, disturbed areas Terrestrial or aquatic, margins of pools and streams
Elevation 0-100 m (0-300 ft) 2100-2500 m (6900-8200 ft)
Distribution
from FNA
CA; s Africa [Introduced in North America]
from FNA
AZ; ID; Mexico; South America (Brazil)
[BONAP county map]
Discussion

Crassula argentea is reported from Los Angeles and San Diego counties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Of conservation concern.

Crassula viridis occurs in the flora area on the Mogollon Rim of Arizona and near Priest River in Conner County, Idaho.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 155. FNA vol. 8, p. 154.
Parent taxa Crassulaceae > Crassula Crassulaceae > Crassula
Sibling taxa
C. aquatica, C. colligata, C. connata, C. drummondii, C. longipes, C. multicava, C. solieri, C. tetragona, C. tillaea, C. viridis
C. aquatica, C. argentea, C. colligata, C. connata, C. drummondii, C. longipes, C. multicava, C. solieri, C. tetragona, C. tillaea
Synonyms Tillaea viridis
Name authority Thunberg: Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 6: 329, 337. 1778 , (S. Watson) Fedde: Just’s Bot. Jahresber. 31(1): 829. (1904)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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