The morphological characteristics of Buddleja

Morphological characteristics

Shrubs, 1-4 meters high. Branchlets are slightly 4-angled and gray-brown. Branchlets, leaves below, petioles, and inflorescences are densely gray and white stellate short-villus. Leaves opposite, leaf blade papery, narrowly elliptic, long ovate, ovate-lanceolate or oblong-lanceolate, 4-19 cm long, 2-8 cm wide, apex acuminate, cuspidate or blunt, base Wedge or broadly cuneate, sometimes reduced to base of petiole, often entire, rarely sparsely serrulate, leaf above dark green, stellate hairy, light green below; lateral veins 8-14 on each side, flattened above, dorsifixed, below Prominent, reticulate veins; petiole 2-20 mm long; stipules contracted into a transverse line between the bases of the two petioles. Flowers numerous and dense, composed of terminal cycads, inflorescences 5-15(-30) cm, width 2-10 cm; pedicels very short; bracts lanceolate, short villous; calyx campanulate, long 2.5-4.5 mm, outside and outside of the corolla are densely covered with stellate short-villus and some glandular hairs, calyx lobes triangular or broadly triangular, 0.6-1.2 mm in length and width, apically acute or blunt; corolla violet-purple-colored, post-transmuted white Or yellowish-white, throat orange, 1-1.3 cm long, 2-3 mm in diam., corolla tube cylindrical, 8-11 mm long, 1.5-2.2 mm in diam., yellowish inside, puberulous, Corolla lobes ovate, 1.5-3 mm long, 1.5-2.8 mm wide, glabrous inside; stamens inserted at middle of corolla tube, filaments very short, anthers oblong, yellow, base auriculate, introverted, 2-locular; The pistil is 3.5-5 mm long, ovary ovate, 1.5-2.2 mm long, 1.2-1.8 mm wide, stellate short tomentose at middle of style above, style 1-1.5 mm long, stigma clavate, long 1- 1.5 mm. Capsule oblong, 4-8 mm long, 2-3 mm wide, 2-valved, exocarp stellate hairy, persistent perianth at base; seeds numerous, narrowly elliptic, 1-1.2 mm long, 0.3 mm wide -0.5 mm with wings at both ends. Flowering from March to April, fruiting from May to August.


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