Echinocereus poselgeri

Plants straggling, very tall and slender, sparingly branched at any level. Stems initially erect, later sprawling or clambering, long cylindric, 12–60(–130) × 0.6–1(–2) cm; ribs 8–10, crests low, uninterrupted or shallowly undulate; areoles 1–2–5 mm apart. Spines (9–)11–13(–17) per areole, stiff and straight, usually tan, brown, or black, sometimes yellow, pale pink, ashy white, or gray, sometimes black central spines contrasting with white radial spines; radial spines 8–16 per areole, 2–5 mm; central spines 1(–3) per areole, closely appressed (except at the stem tip), terete, 4–9 mm. Flowers 3.5–6 × 3.5–7 cm; flower tube 15–20 × 7–18 mm; flower tube hairs 3–5(–10) mm; inner tepals rose-pink with darker pink to magenta midstripes, proximally darker, 25–35 × 4–12 mm, tips relatively thin and delicate; anthers yellow; nectar chamber 1–4 mm. Fruits dark green to brownish, 2–3 cm, pulp white. 2n = 22.

Echinocereus Poselgeri

Echinocereus poselgeri

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