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  • Oreocallis grandiflora (Lam.) R.Br.
    식물/들꽃-프로테아과(Proteaceae) 2025. 3. 10. 10:34

    국표에 없다.

    Oreocallis grandiflora R.Br.

    • Trans. Linn. Soc. London 10: 197 (1810) 
    • This name is reported by Proteaceae as an accepted name in the genus Oreocallis (family Proteaceae).

      The record derives from Tropicos (data supplied on 2024-06-04) which reports it as an accepted name (record 26500121)

    General Information

    Tree, or shrub, to 6 m tall; twigs red-brown to dark brown, with a purplish tinge, occasionally with peeling membranous bark, longitudinally ridged; older twigs with pale red-brown lenticels; young twigs densely ferruginous pubescent to glabrous, often glaucous-pruinose.1 Leaves coriaceous, shiny above, matte below, the margin slightly revolute; 4.8-12.7(-21.5) × 1.6-8 cm, petiole 0.8-3.4 cm; lamina occasionally oblong to narrow elliptic through to wide elliptic, to lanceolate to ovate, to narrow obovate to wide obovate; base acute to obtuse (occasionally rounded) to cuneate to ± decurrent, ± symmetrical, occasionally asymmetrical; apex acute to obtuse to rounded to truncate to retuse, mucronate; foliage glabrous to pubescent, the young leaves often ferruginous-pubescent, the older leaves becoming glabrous, particularly above; hairs concentrated on the primary vein beneath and the petiole; venation clearly reticulate, generally prominent and raised on both surfaces, prominently brochidodromous to obscurely brochidodromous, often eucamptodromous at base of leaf; secondary veins 5-13 pairs. Inflorescences terminal, 7-17.5(-38) cm; flower color widely variable, from white to pink to yellow to red to purple; bracteoles 3-20 mm, strap shaped, glabrous to ferruginous-pubescent, rapidly caducous; peduncle 1.2-2.7 cm (increasing in length as the flower matures); flowers pointing downwards as they mature into fruit; buds swollen at apex; mature flowers (2.2-)2.8-4.5 cm long (to 5.5 cm in material preserved in spirit); ovary 6-7 mm long; gynoecium 2.5-5(-6.5) cm long (greatly increasing in length after the perianth segments have dropped); style apex 2.5-4.5 × 1.5-3 mm; anthers 2-3.5 mm long, 1.5-2.5 mm wide, ovate to ± triangular; connective dark brown, broad with an acute tip. Fruit bilaterally symmetrical, one side curved, the other straight, dehiscing along the curved edge, often grooved along the line of dehiscence, ± ovate to ± triangular in cross section; 4.5-7 × 1.1-1.7 cm, peduncle 1.2-2.3 cm long; stipe 0.7-1.5 cm long; persistent style 2-5 cm long; young fruits glaucous-pruinose, purplish, maturing brown; the surface finely furrowed longitudinally, minutely tuberculate; seed pale buff, ± smooth or irregularly ridged, convex on one side, either concave or with a large central ridge on the other; 8.5-9.5 × 4.5-6mm; 26-30 × 8-9.5 mm with the wing; wing buff; vascular strand running parallel to the upper margin, then turning through 180° and descending to the hilum; at the turning point, vascular strand descending to the base of the wing.

    Oreocallis grandiflora R.Br. (worldfloraonline.org)

     

     

    https://youtu.be/SeM_hR2Tiuc?t=1909

     

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