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Chamaesyce glyptosperma
Chamaesyce glyptosperma
(Engelm.) Small
Family:
Euphorbiaceae
ribseed sandmat,
more...
rib-seeded sandmat, rib-seed sandmat, ridgeseed spurge
[
Euphorbia glyptosperma
Engelm.]
Max Licher
General Description
Resources
Plant
: Annual; stem prostrate, glabrous; sap milky
Leaves
: cauline, opposite, short-petioled, 3-15 mm; stipules separate, thread-like; blade ovate to ovate-oblong, glabrous, tip rounded, margin finely toothed
INFLORESCENCE
: flower-like, generally 1 per node; involucre < 1 mm, obconic, glabrous; gland < 0.5 mm, elliptic; appendage wider than gland, scalloped, white
Flowers
: Staminate flowers 1-5, generally in 5 clusters around pistillate flower, each flower a stamen; Pistillate flower: 1, central, stalked; ovary chambers 3, ovule 1 per chamber, styles 3, style divided < 1/2 length
Fruit
: capsule, 1.5-2 mm, ovoid, lobed, glabrous; Seed 1-1.5 mm, ovoid, transversely 3-4- ridged, white to light brown
Misc
: Dry ground; 200-300 m.
Notes
: Calyx-like involucre= cyathium. The cyathium with white petaloid appendages.
References
: Kearney & Peebles; Arizona Flora. McDougall; Seed plants of Northern Arizona. ASU specimans
Open Interactive Map
Max Licher
Susan Holiday
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