Fagonia pachyacantha

Rydberg in N. L. Britton et al.

N. Amer. Fl. 25: 105. 1910.

Common names: Sticky fagonia
Synonyms: Fagonia californica var. glutinosa Pringle ex Vail
Treatment appears in FNA Volume 12. Treatment on page 31. Mentioned on page 30, 32.

Perennial herbs or subshrubs, to 0.6 m, to 1 m diam. Stems ± prostrate, radiating from plant base, sparsely branched, dark green, not noticeably slender, ultimate branches densely short-stipitate to subsessile-glandular, glands globular (drying to cupshaped), golden (making branches appear yellowish from a distance), 1 mm diam.; older stems glabrate basally, not scabrous. Leaves (1–) 3-foliolate; stipules straight, spreading to slightly reflexed, stout, linear-subulate, 3–16 mm, about as long as petioles, glandular to glabrate; petiole 2–16 mm, glandular to glabrate; leaflets ovate to elliptic, slightly obovate, or linear and terete, glandular, becoming glabrate, ± as long as or longer than petiole, apex spinulose, often fleeting, terminal to 26 × 10 mm, laterals to 20 × 7 mm, shorter and narrower than terminal, one or both commonly caducous. Pedicels 1–7 mm, glandular. Flowers to 1.5 cm diam.; sepals green to purple, ovatelanceolate, 2–4 × 1–1.5 mm, apiculate, glandular to glabrate; petals light to dark red-purple, 5–8 × 2.5–5.5 mm; stamen filaments 3.5–5 mm; ovary 2 mm, glandular, hairy; style 2–3 mm. Capsules 3.5–5.5 × 4–5 mm, puberulent, usually glandular; style 1.5–4 mm, not or barely wider at base.


Phenology: Flowering Nov–May.
Habitat: Flat, sandy or rocky desert habitats.
Elevation: 0–500 m.

Distribution

V12 279-distribution-map.jpg

Ariz., Calif., Mexico (Baja California), Mexico (Baja California Sur), Mexico (Sonora)

Discussion

Fagonia pachyacantha is found only in the Sonoran Desert.

Selected References

None.

Lower Taxa

None.

No values specified.

... more about "Fagonia pachyacantha"
unappendaged +
filiform +
sagittate +
0mm;26mm +
glandular +  and glabrate +
rounded;acute-attenuate +
0mm;10mm +
Duncan M. Porter +
Rydberg in N. L. Britton et al. +
clawed +  and cuneate +
coriaceous +  and fleshy +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Sticky fagonia +
Ariz. +, Calif. +, Mexico (Baja California) +, Mexico (Baja California Sur) +  and Mexico (Sonora) +
0–500 m. +
twisting +, regular +  and slightly irregular +
in 2-flowered clusters +  and solitary +
0 cm0 mm <br />0 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
5-lobed;ovoid +
1 cm10 mm <br />0.01 m <br /> (?) +
globular +
Flat, sandy or rocky desert habitats. +
0 cm0 mm <br />0 m <br /> (2 cm20 mm <br />0.02 m <br />) +
(1-)3-foliolate +
terete;ovate;elliptic slightly obovate or linear +
pinnate +  and entire +
undifferentiated +
membranous +
intrastaminal +  and extrastaminal +
evergreen +
swollen +  and angled +
5-lobed +
2 cm20 mm <br />0.02 m <br /> (?) +
reflexed +  and erect +
0.1 cm1 mm <br />0.001 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
distinct +, adnate +  and free +
light;dark red-purple +
deciduous +
distinct +
obovate +
unequal +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
glandular;glabrate +
0.2 cm2 mm <br />0.002 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
Flowering Nov–May. +
(2-)5-carpellate +
N. Amer. Fl. +
mucilaginous +
brownish +  and black +
green +  and purple +
persistent +  and deciduous +
distinct +
glandular +  and glabrate +
ovatelanceolate +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
dark green +
erect;spreading or more or less prostrate +
ridged +  and angled +
slender +
0 cm0 mm <br />0 m <br /> (100 cm1,000 mm <br />1 m <br />) +
spreading;slightly reflexed +
glandular;glabrate +
linear-subulate +
0.3 cm3 mm <br />0.003 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
persistent +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
glabrous +, glabrate +  and stipitate-glandular +
Fagonia californica var. glutinosa +
Fagonia pachyacantha +
species +
densely short-stipitate;subsessile-glandular +
0 cm0 mm <br />0 m <br /> (100 cm1,000 mm <br />1 m <br />) +
subshrub +  and herb +