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.

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.
... more about "Crassula drummondii"
perigynous +  and hypogynous +
Reid V. Moran +
(Torrey & A. Gray) Fedde +
Tillaea drummondii +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
narrow-lanceolate +
lobed +  and toothed +
triangular +  and lanceolate or oblanceolate or linear +
0.1 cm1 mm <br />0.001 m <br /> (7 cm70 mm <br />0.07 m <br />) +
not circumscissile +
not circumscissile +
Colo. +, Kans. +, S.C. +, Tex. +  and South America +
0-50 m +
spreading +  and ascending +
ascending;erect +
Terrestrial or subaquatic, margins of ponds and streams +
axillary +  and terminal +
deciduous +  and persistent +
semi-inferior +  and superior +
tenuinucellate +, crassinucellate +  and bitegmic +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
perigynous +  and hypogynous +
distinct +
recurved +  and spreading +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Flowering spring. +
(3-)4-5(-12)[-30+]-carpellate +
spreading +  and erect +
Just’s Bot. Jahresber. +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (?) +  and 0.04 cm0.4 mm <br />4.0e-4 m <br /> (?) +
prickly-papillate +
oblong;ellipsoid +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (?) +  and 0.03 cm0.3 mm <br />3.0e-4 m <br /> (?) +
triangular-ovate +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
1 +  and many +
adnate +  and free +
antipetalous +
greenish red +
erect +  and decumbent +
0 cm0 mm <br />0 m <br /> (10 cm100 mm <br />0.1 m <br />) +
succulent +
distinct +
2+ times shorter than ovary +
Crassula drummondii +
Crassula +
species +
not conspicuous +
perennial +, biennial +  and annual +
subaquatic +  and terrestrial +