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Post by Melanie on Jan 6, 2007 16:07:33 GMT 1
Hibiscadelphus hualalaiensis Rock (end, E) Trees 5-7 m tall, trunk up to 30 cm in diameter. Leaf blades ovate to orbicular, 10-15 cm long, sometimes 3-5-angled, margins entire to slightly undulate-dentate, base deeply cordate but usually with an open sinus, petioles 4-10 cm long, stipules 1.5-2 mm long. Flowers 1-2 in the leaf axils, pedicels 1.5-3(-14) cm long; involucral braces usually 5, connate slightly at base, tooth-like, 0.5-2(-3) mm long; calyx tubular to subsaccate, 1.5-2.5(-3) cm long, 2-3-cleft or 5-lobed; corolla greenish yellow externally, yellowish green fading to purplish within, 2-5(-5.5) cm long. Capsules woody, oblong-ovoid to ellipsoid-ovoid, grooved, apiculate, 2.2-3 cm long, mesocarp strongly developed, reticulate, endocarp segments 10. Seeds reniform, up to 7 mm long, densely grayish white lanate. [2n = 40*.] Very rare, formerly occurring in dry to mesic forest, lava flows of Hualalai and forest of Waihou, North Kona, Hawai'i; as of 1977, 2-3 plants were still extant in the wild. Otherwise it is known only from cultivation (D. Herbst, pers. comm.). - Plate 123. The last wild tree died in 1992
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Post by Melanie on Mar 27, 2007 0:17:40 GMT 1
Hibiscadelphus hualalaiensisfamily: Malvaceae Originally known from three subpopulations in Puuwaawaa on Hawai'i. The genus is endemic to the Hawaiian Islands and is known from species which are Extinct or Critically Endangered.
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Post by Melanie on Mar 27, 2007 0:18:42 GMT 1
Photo by Warren L. Wagner This species is now considered as extinct. Sorry I did not know it and have posted it in the wrong categorie.
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Post by koeiyabe on Jan 9, 2019 21:57:11 GMT 1
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Post by Surroundx on Feb 29, 2020 4:34:26 GMT 1
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Post by koeiyabe on Jun 19, 2020 2:11:09 GMT 1
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Post by koeiyabe on Jun 19, 2020 2:14:02 GMT 1
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Post by koeiyabe on Sept 6, 2023 1:47:14 GMT 1
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