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Published In: Novosti Sist. Vyss{. Rast. 9: 186. 1972. (Novosti Sist. Vyss{. Rast.) Name publication detail
 

Project Name Data (Last Modified On 7/20/2009)
 

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BOTSCHANTZEVIA Nabiev, Novosti Sist. Vyssh. Rast. 9: 186. 1972.

Ihsan A. Al-Shehbaz

Tribe: Arabideae de Candolle, Mém. Mus. Hist. Nat. 7(1): 229. 1821.

Name derivation: for Victor Petrovich Botschantzev (1910−1990) a Russian expert on the Central Asian Brassicaceae.

Type species: B. karatavica (Lipschitz & Pavlov) Nabiev (based on Parrya karatavica (Lipschitz & Pavlov).

     Subshrubs with deep woody roots. Trichomes sessile or subsessile, stellate, 4−6-rayed. Multicellular glands absent. Stems ascending, many branched, woody, leafy, not spiny. Basal leaves subpetiolate, rosulate at ultimate stem branches, simple, dentate; cauline leaves short petiolate, cuneate to attenuate at base, not auriculate, dentate. Racemes 3−10-flowered, ebracteate, corymbose, slightly elongated in fruit; rachis straight; fruiting pedicels divaricate, persistent. Sepals ovate to oblong, free, deciduous, erect, equal, base of lateral pair not saccate. Petals white, erect at base with flaring blade, longer than sepals; blade oblong-ovate, apex obtuse to retuse; claw differentiated from blade, shorter than sepals, glabrous, unappendaged, entire. Stamens 6, slightly exserted, erect, tetradynamous; filaments wingless, unappendaged, glabrous, free; anthers oblong. Nectar glands confluent and subtending bases of all stamens. Ovules 8-12 per ovary; placentation parietal. Fruit dehiscent, capsular siliques, broadly linear, strongly latiseptate, not inflated, unsegmented; valves leathery, with a distinct midvein and obscure lateral veins, stellate, not keeled, slightly torulose, wingless, unappendaged; gynophore 0.5−3 mm long; replum rounded; septum complete, membranous, veinless; style 0.5-2 mm long, cylindric, persistent; stigma capitate, entire, unappendaged. Seeds uniseriate, winged or all around, ovate to suborbicular, strongly flattened; seed coat somewhat verrucose, foveolate, not mucilaginous when wetted; cotyledons accumbent.

     Monospecific; endemic to Kazakhstan.

Literature: Nabiev (1972).

 

 
 
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