Ayenia jaliscana

S. Watson

Proc. Amer. Acad. Arts 26: 133. 1891.

Treatment appears in FNA Volume 6. Treatment on page 205. Mentioned on page 203.

Shrubs, erect, to 2 m. Stems densely stellate-hairy to glabrate, hairs simple, fasciculate, and/or stellate, sometimes minutely stellate, not appressed. Leaves: petiole (0.4–) 2–3.5 cm; blade broadly ovate to ovatelanceolate, slightly 3–5-lobed, 2.5–11 × (1.5–) 2.5–7.5 cm, noticeably reduced in size distally on stem, base truncate to slightly cordate, margins dentate-serrate, apex acute to attenuate, 5–7-veined from base, surfaces: abaxial densely to sparingly hairy, hairs simple, bifurcate, and/or stellate, not appressed, adaxial sparingly hairy to glabrescent, hairs simple, bifurcate, and/or stellate, not appressed. Cymes axillary or terminal, not borne on short-shoots (brachyblasts), 3–5-flowered; peduncle 10–20 mm. Pedicels 5–10 mm. Flowers: sepals caducous, not present in young fruit, reflexed at anthesis, narrowly ovatelanceolate, 3–3.5 mm, sparingly stellate-hairy abaxially; petal claws 2–2.5 mm, lamina ± rhombic, 1 × 1–1.5 mm, base deeply lobed, lobes oblong, margins erose, apex entire, glabrous, abaxial appendage absent; androgynophore 0.5–1 mm; stamen filaments absent; stigmas slightly exserted. Capsules oblate to subspheric, 6 × 7 mm, densely short stellate-pubescent, prickles 0.5–1 mm. Seeds 4 mm, tuberculate.


Phenology: Flowering and fruiting late summer–early winter.
Habitat: Rocky slopes, canyon bottoms, desert grasslands
Elevation: 1100–1200 m

Distribution

V6 366-distribution-map.jpg

Ariz., Mexico (Baja California), Mexico (Baja California Sur), Mexico (Chihuahua), Mexico (Sinaloa), Mexico (Sonora)

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Ayenia jaliscana"
not +  and appendaged +
sparingly hairy;glabrescent +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
protruding +
clavate +, cylindric +  and filiform +
Laurence J. Dorr +
S. Watson +
lobed +, truncate +  and slightly cordate +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (11 cm110 mm <br />0.11 m <br />) +
3-5-lobed +, broadly ovate +  and ovatelanceolate +
reduced +
2.5cm;7.5cm +
septicidal +, loculicidal +  and dehiscence +
6 cm60 mm <br />0.06 m <br /> (?) +
stellate-pubescent +
oblate;subspheric +
7 cm70 mm <br />0.07 m <br /> (?) +
filiform +
not 3-5-flowered +
terminal +  and axillary +
Ariz. +, Mexico (Baja California) +, Mexico (Baja California Sur) +, Mexico (Chihuahua) +, Mexico (Sinaloa) +  and Mexico (Sonora) +
1100–1200 m +
sparse;copious +
actinomorphic +
septicidal +, loculicidal +  and dehiscence +
loculicidal +  and septicidal +
subspheric +  and oblate +
Rocky slopes, canyon bottoms, desert grasslands +
stellate +  and bifurcate +
1-11-flowered +  and cymose +
terminal +  and axillary +
connate +  and distinct +
1mm +  and 1.5mm +
simple +, stipulate +, sessile +, subsessile +  and petiolate +
distichous +  and alternate +
erose +  and entire +
(1-)2-many +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
5 +  and 4 +
0.4 cm4 mm <br />0.004 m <br /> (2 cm20 mm <br />0.02 m <br />) +
2 cm20 mm <br />0.02 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
Flowering and fruiting late summer–early winter. +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Proc. Amer. Acad. Arts +
septicidal +, loculicidal +  and dehiscence +
tuberculate +
not absent +
stellate-hairy +
ovatelanceolate +
0.3 cm3 mm <br />0.003 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
rounded +  and cylindric +
3-7-veined +  and unarmed +
hairy +  and glabrous +
Nephropetalum +
Ayenia jaliscana +
species +