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palo-zorillo, vomitbush

atamisquea

Habit Shrubs or multi-trunked trees, 1–8 m. Stems branched at right angles, ± terete; branchlets with lepidote scales. Shrubs or trees, deciduous; pubescent with tufted, stellate, stellulate, or multicellular, unbranched hairs, or echinoid lepidote-peltate scales.
Stems

spreading (bluntly thorn-tipped).

Leaves

petiole 1–1.2 mm;

blade 1–3(–5) × 0.2–0.6 cm, base rounded, apex shallowly emarginate to rounded, abaxial surface densely lepidote, adaxial surface smooth.

alternate;

petiole relatively short;

nectaries absent;

blade narrowly oblong to linear-oblong, margins entire.

Inflorescences

terminating spur shoots, 1–3 cm, lepidote.

terminal or axillary from distal blades, racemes or solitary flowers (subtended by leaf blades).

Pedicels

3–4 mm.

Flowers

sepals (reflexed at anthesis), ovate, proximal pair 0.8–1.5 mm, distal pair 3–3.5 × 2.5 mm, abaxially lepidote, adaxially tomentose, hairs simple;

petals white, oblong, 3–6.5 × 2–3 mm;

staminodia 0–3;

gynophore 3–8 mm.

sepals equal or 2 unequal pairs, each often subtending a nectary;

stamens ca. 6;

filaments inserted on discoid or conical receptacle (androgynophore);

anthers ellipsoid;

gynophore slender, elongating in fruit.

Capsules

8–11 × 5–6 mm, dehiscing into 2–4 segments, constricted between seeds, mesocarp red.

or berries, usually dehiscent, ovoid, ± fleshy.

Seeds

3.8–5 mm.

1(2 or 3), globose to reniform, usually not arillate.

x

= 8.

2n

= 16.

Atamisquea emarginata

Atamisquea

Phenology Flowering early summer.
Habitat Desert scrub, arroyos or flats
Elevation 50-200 m (200-700 ft)
Distribution
from FNA
AZ; Mexico (Baja California, Baja California Sur, Sinaloa, Sonora); South America (Argentina, Bolivia, Chile)
[BONAP county map]
from USDA
sw United States; nw Mexico; s South America
[BONAP county map]
Discussion

Species 1.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 7, p. 196. FNA vol. 7, p. 195.
Parent taxa Capparaceae > Atamisquea Capparaceae
Subordinate taxa
A. emarginata
Synonyms Capparis atamisquea
Name authority Miers ex Hooker & Arnott: Bot. Misc. 3: 143. (1833) Miers ex Hooker & Arnott: Bot. Misc. 3: 142. (1833)
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