Carrichtera annua

(Linnaeus) de Candolle

Mém. Mus. Hist. Nat. 7: 250. 1821.

Basionym: Vella annua Linnaeus Sp. Pl. 2: 641. 1753
Treatment appears in FNA Volume 7. Treatment on page 429.

Stems branched basally and distally, (0.5–) 0.7–3.6 (–4.5) dm. Basal leaves: petiole 1–4.5 cm; blade 3–6 lobes each side, 1.5–4 cm, terminal lobe linear to oblong, 0.3–1.5 cm × 0.5–1.5 mm, margins entire. Cauline leaves similar to basal. Fruiting pedicels 2.5–4 mm. Flowers: sepals 4–5 mm; petals 6.5–8 × 1–2 mm; median filaments 3.5–4 mm; anthers 0.5–0.8 mm. Fruits reflexed; proximal segment broadly ovoid to subglobose, 3–4 × 2.5–3.5 mm; terminal segment cochleariform or ovate, 3–5 × 3–4 mm (margin incurved). Seeds 1.1–1.6 mm diam. 2n = 16.


Phenology: Flowering Apr–May.
Habitat: Deserts
Elevation: ca. 50 m

Distribution

V7 642-distribution-map.gif

Introduced; Calif., sw Europe, sw Asia, n Africa, also in Australia

Discussion

Carrichtera annua was found as a naturalized weed in southern California in 2007.

Selected References

None.

Lower Taxa

None.

"elongated" is not a number."thick" is not a number."dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property.

... more about "Carrichtera annua"
ovate +  and oblong +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
Ihsan A. Al-Shehbaz +
(Linnaeus) de Candolle +
Vella annua +
appendaged +  and unappendaged +
2-pinnatisect +  and 1-pinnatisect +
not +  and auriculate +
dissected +, repand +, sinuate +, crenate +  and dentate +
much smaller +  and reduced +
urceolate +, campanulate +  and tubular +
branched +  and simple +
petiolate +  and subsessile +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
well-developed +
distinct +
differentiated +
emarginate +  and entire +
incumbent +, accumbent +  and conduplicate +
Calif. +, sw Europe +, sw Asia +, n Africa +  and also in Australia +
ca. 50 m +
straight +  and curved +
not winged +  and unappendaged +
connate +  and distinct +
actinomorphic +
indehiscent +  and dehiscent +
terete +  and segmented +
Deserts +
subsessile +  and petiolate +
alternate +, not +  and rosulate +
cauline +  and basal +
connate +  and distinct +
decurrent +
lobed;serrate;lobed;serrate +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
intrastaminal +  and lateral +
globose +  and semiannular +
tenuinucellate +, crassinucellate +  and bitegmic +
campylotropous +  and anatropous +
pale-yellow +  and cream +
6.5mm;8mm +
rudimentary +
spatulate +  and obovate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
1 cm10 mm <br />0.01 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
Flowering Apr–May. +
trinucleate +  and 3(-11)-colpate +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
broadly ovoid +  and subglobose +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Mém. Mus. Hist. Nat. +
not thickened +
mucilaginous +
not +  and mucilaginous +
white +, black +, brown +  and yellow +
1.1mm;1.6mm +
subglobose +
terete +, ovoid +  and ellipsoid +
persistent +  and caducous +
distinct +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
reduced +
indehiscent +  and dehiscent +
terete +  and segmented +
indehiscent +  and dehiscent +
terete +  and segmented +
tetradynamous +
procumbent +  and decumbent +
ascending +  and erect +
subsessile +, sessile +  and petiolate +
persistent +
distinct +
Cruciferae +
Carrichtera annua +
Carrichtera +
species +
0.3 cm3 mm <br />0.003 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
linear;oblong +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
ovate +  and cochleariform +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
scale-like +  and forked +
coiled +, 1-7-veined +  and veined +
anastomosing +
hirsute +  and setose +
rhizomatous +, taprooted +, scapose +  and not +
perennial +, biennial +  and annual +
subshrub +  and herb +
aquatics +  and terrestrial +
glabrous +  and pubescent +