Flora of North America species comparison

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Crassula connata

erect pigmyweed, erect pygmyweed, pygmy stonecrop, pygmy-weed, sand pygmy weed
Habit Plants terrestrial, annual.
Stems

erect, red in age, simple or bushy-branching, 2–6(–10) cm.
Leaf

blades ovate to oblong, 1–3(–6) mm, apex acute to rounded.
Inflorescences

often compact;

flowers (1–)2 per node.
Pedicels

0.2–6 mm.
Flowers

(3–)4[–5]-merous;

sepals lanceolate, 0.5–2 mm, apex acute to acuminate;

petals narrow-triangular, 0.6–1.5 mm.
Seeds

ellipsoid, 0.3–0.6 × 0.1–0.3 mm, not papillate, dull, rugulose.
Follicles

ascending, 1–2-seeded, ovoid;

old follicles ascending, boat-shaped.
2n

= ca. 16.

Crassula connata
Phenology Flowering spring.
Habitat Open, gravelly places, on mossy rocks
Elevation 0-1500 m (0-4900 ft)
Distribution
from FNA
AZ; CA; OR; TX; WA; BC; Mexico; Central America (Guatemala); South America (Argentina, Chile, Uruguay)
[WildflowerSearch map]
[BONAP county map]
Discussion

M. Bywater and G. E. Wickens (1984) proposed five varieties, four partly in the flora area, where they have largely overlapping ranges and overlapping characteristics. Further, some supposed differences probably result from local and year-to-year rainfall differences. Although probably having some genetic basis, these varieties seem too poorly defined to be useful (R. V. Moran 1992b).

S. L. Hatch et al. (1990) were first to report Crassula connata in Texas, from a 1968 collection (F. B. Jones 7292), suggesting that it may be a recent arrival there. It was first discovered in British Columbia and Washington in 1977 (A. Ceska and O. Ceska 1980) and is treated as a rare native species by the heritage program in British Columbia and the Washington Natural Heritage Program, where it has a habitat typical of other southern disjunct natives (A. Ceska, pers. comm.).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 152.
Parent taxa Crassulaceae > Crassula
Sibling taxa
C. aquatica, C. argentea, C. colligata, C. drummondii, C. longipes, C. multicava, C. solieri, C. tetragona, C. tillaea, C. viridis
Synonyms Tillaea connata, C. connata var. erectoides, C. connata var. eremica, C. connata var. subsimplex, C. erecta, Tillaea erecta, Tillaea leptopetala
Name authority (Ruiz & Pavón) A. Berger et al.: in H. G. A. Engler, Nat. Pflanzenfam. ed. 2, 18a: 389. (1930)
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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