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Rhododendron orthocladum longistylum (Rhododendron orthocladum longistylum)

Description

Erect much-branched shrubs,(0.5–)1(–1.3) m tall;branchlets densely brown scaly.Petiole 0.8–2.5(–3) mm,scaly;leaf blade narrowly elliptic,lanceolate to linear-lanceolate,(0.5–) 0.8–1.6(–2) × (0.1–)0.25–0.5(–0.6) cm;base cuneate or obtuse;apex obtuse,shortly or obscurely mucronate;abaxial surface yellowish brown to fawn,scales contiguous or almost so,golden to yellow brown,with few to many deeper brown scales intermixed;adaxial surface gray-green,scales dense,pale,translucent.Inflorescence (1–)2–4-flowered.Pedicel 0.15–0.2(–0.3) cm,scaly;calyx reddish,lobes usually unequal,0.5–1.5 mm,triangular to rounded,scaly at base,margin occasionally with a few scales and cilia;corolla funnelform,pale to deep lavender-blue or deep purple,rarely whitish pink,0.7–1.4 cm,tube 2–5 mm,outer surface not or only sparsely scaly,throat pubescent;stamens (8–)10(–11),shorter than to equaling corolla,filaments villous towards base;ovary (1–)2(–3) mm;style 0.35–0.5 cm or 1.5–1.6 cm,scales sparse or absent.Capsule ovoid,2–5 mm,scaly.Fl.May–Jun,fr.Jul–Aug.

Taxonomic tree

  • Domain: Eukarya

    • Kingdom: Plantae

      • Phylum:

        • Class: Magnoliopsida

          • Order: Ericales

            • Family: Ericaceae

              • Genus: Rhododendron