Crassula drummondii

(Torrey & A. Gray) Fedde

Just’s Bot. Jahresber. 31(1): 829. 1904,.

Basionym: Tillaea drummondii Torrey & A. Gray Fl. N. Amer. 1: 558. 1840
Treatment appears in FNA Volume 8. Treatment on page 154. Mentioned on page 151, 152.
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Plants terrestrial or subaquatic, annual. Stems decumbent or erect, greenish red in age, diffusely branched, to 10 cm. Leaf blades narrow-lanceolate, 1.5–3 mm, apex obtuse. Inflorescences lax; flowers 1 per node. Pedicels 0.5–3 mm. Flowers 4-merous; sepals triangular-ovate, 0.4–0.6 mm, apex obtuse; petals ovate, 1.3–1.5 mm. Follicles ascending, 9–15-seeded, oblong; old follicles spreading, flat. Seeds oblong to ellipsoid, 0.2–0.4(–0.5) × 0.1–0.3 mm, prickly-papillate, dull, smooth.


Phenology: Flowering spring.
Habitat: Terrestrial or subaquatic, margins of ponds and streams
Elevation: 0-50 m

Distribution

V8 306-distribution-map.gif

Colo., Kans., S.C., Tex., South America.

Discussion

M. Bywater and G. E. Wickens (1984) cited Crassula drummondii also from Arizona; I have referred their specimen (Spring Valley, near Sitgreave Mountain, Lemmon in 1884) to C. viridis (R. V. Moran 1992b).

Selected References

None.

Lower Taxa

None.