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Euphorbia antisyphilitica Zucc.식물/들꽃-대극과(Euphorbiaceae) 2022. 10. 31. 10:34
국표에 없다.
The native range of this species is S. Central U.S.A. to NE. & Central Mexico. It is a semisucculent subshrub or shrub and grows primarly in the desert or dry shrubland biome(s).Euphorbia antisyphilitica is a species of flowering plant in the spurge family Euphorbiaceae. It is native to the Trans-Pecos of Texas and southern New Mexico in the United States as well as Chihuahua, Coahuila, Hidalgo, and Querétaro in Mexico. Common names include candelilla and wax plant, but the latter is more often applied to members of the unrelated genus Hoya. It is shrubby and has densely clustered, erect, essentially leafless stems that are covered in wax to prevent transpiration.
Euphorbia antisyphilitica - Wikipedia
Shrubs, with much-branched, fleshy rootstock.
Stems erect, few branched, 25–50(–100) cm, glabrous or puberulent, pencil-like, in age covered with flaky, exfoliating layer of wax.
Leaves alternate usually caducous, sometimes persisting; stipules 0.4–0.5 mm; petiole absent; blade ovate to deltate-subulate, 2.5–4 × 1 mm, thick, fleshy, base usually rounded and swollen, rarely cuneate, margins entire, apex acute, surfaces puberulent, adaxial sometimes canescent; venation inconspicuous.
Cyathia in axillary congested cymes, near branch tips or solitary at distal nodes; peduncle 0–1 mm, lanulose.
Involucre campanulate, 1.6–2.2 × 1.6–1.9 mm, puberulent to canescent; glands 5, pinkish, narrowly oblong to reniform, 0.3–0.4 × 0.8–1 mm; appendages white to pink, ovate, oblong, or transversely oblong, 1.3–2.5 × 1.4–2.5 mm, usually erose, rarely entire.
Staminate flowers 50–70.
Pistillate flowers: ovary glabrous; styles 0.9–1.1 mm, 2-fid nearly entire length.
Capsules oblong to ovoid, 3.9–4.2 × 3.6–3.9 mm, glabrous; columella 3.1–3.3 mm.
Seeds whitish gray, narrowly ovoid, 2.4–3.1 × 1.4–1.6 mm, irregularly rugose-tuberculate; caruncle crescent-shaped, 0.3–0.6 × 0.6–0.8 mm.
Euphorbia antisyphilitica Zucc. (worldfloraonline.org)
Euphorbia_antisyphilitica2_ies.jpg (800×700) (wikimedia.org) https://youtu.be/_aInVqDRObU?t=860
https://youtu.be/UuD4CLjBKGU?t=487
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