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Published In: Contributions from the Gray Herbarium of Harvard University 205: 160–162, f. 1. 1974. (Contr. Gray Herb.) Name publication detailView in Biodiversity Heritage Library

Project Name Data (Last Modified On 6/29/2009)

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BALLANTINIA E. Shaw, Contr. Gray Herb. 205: 160. 1974.

Ihsan A. Al-Shehbaz


Tribe: ?

Name derivation: for Miss Mary Ballantine (or Ballantyne) who in 1842 made the first collection now assigned to the genus.

Type species: Ballantinia antipoda (F. Mueller) E. Shaw (based on Capsella antipoda F. Mueller).

     Herbs annual. Trichomes simple and stalked forked. Multicellular glands absent. Stems prostrate to decumbent, branched basally, leafy. Basal leaves petiolate, not rosulate, simple, entire, remotely dentate, or pinnatisect; cauline leaves petiolate, not auriculate at base, similar to basal but smaller. Racemes many flowered, ebracteate, corymbose, elongated considerably in fruit; rachis straight; fruiting pedicels divaricate-ascending, persistent. Sepals boradly elliptic to suborbicular, free, deciduous, ascending, equal, base of lateral pair not saccate. Petals white, ascending, longer than sepals; blade suborbicular, apex obtuse; claw strongly differentiated from blade, shorter than sepals, glabrous, unappendaged, entire. Stamens 6, included, weakly spreading, slightly tetradynamous; filaments wingless, unappendaged, glabrous, free; anthers ovate, not apiculate. Nectar glands 4, lateral, 1 on each side of lateral stamen, median glands absent. Ovules 4-12 per ovary; placentation parietal. Fruit dehiscent, capsular silicles, ellipsoid to broadly obovoid, slightly latiseptate, not inflated, unsegmented; valves papery, veinless, glabrous, not keeled, smooth, wingless, unappendaged; gynophore obsolete; replum rounded, visible, septum complete, membranous, veinless; style obsolete; stigma capitate, entire, unappendaged. Seeds uniseriate, ?biseriate, wingless, ellipsoid, flattened; seed coat smooth, mucilaginous when wetted; cotyledons incumbent.

     One species: Australia.

Reference: Shaw (1974).


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