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Saudi Arabia flora checklist
Gymnocarpos decandrus Forssk.
Nomencalture
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Family: CaryophyllaceaeGenus: Gymnocarpos
SUMMARY
Gymnocarpos decander Forssk., Fl. Aegypt.-Arab. 65. 1775. Boiss. Fl. Orient. 1:747. 1867; Burkill, Fl. Pl. Baluch. 84. 1909; Tackholm & Drar, Stud. Fl. Egypt, 404.
:synonyms
Gymnocarpos fruticosum (Vahl) Pers. • Gymnocarpos salsaloides Webb ex Christ •
Trianthema fruticosa Vahl •
An erect, suffrutescent, much branched, 30-50 cm tall undershrub. Stem and branches rough, ash grey, entangled, knotted at the nodes. Leaves 8-16 mm long, c. 2 mm wide, obtuse, entire, mucronate, glabrous; stipules small, mem¬branous, ovate-triangular with ciliate margins. Inflorescence short peduncled head-like biparous cyme of 5 -15 flowers; peduncle c. 5 mm long, densely villous. Flowers sessile, pentamerous, 5-7 mm long and c. 4-5 mm across, yellowish green, receptacle vase-shaped, 2.5-3 mm long; bracts 1.5-2 mm long, never scarious. Sepals 2-3 mm long, narrow oblong, margins whitish membranous, glabrous. Petals subulate-filiform, 1-1.5 mm long, acute, brownish white. Stamens subulate¬filiform, slightly longer than the petals, c. 2 mm long, anthers oblong, dorsifixed. Ovary ovoid, slightly fused at the base with receptacle, papillose, unilocular, 1-ovul¬ed, ovule pendulous, placentation basal; style long. Fruit 1-seeded membranous indehiscent utricle enclosed by persistent sepals. Seed somewhat oblong, com¬pressed, dark brown; radicle superior
Fl. Per. February-April
Type: Egypt: In desertis Kahirinis orient. Forsskal (holo. C, not seen; Iso. BM)