• P. J. Rudall
Part of the The Families and Genera of Vascular Plants book series (FAMILIES GENERA, volume 3)


Perennial herbs with short vertical rhizomes; roots emerging from lower part of rhizome; leaves distichous or spirally arranged, linear, basal, sheathing, without distinct petioles, dorsiventral, parallel-veined, glabrous; inflorescences and flowers densely woolly with branched hairs. Inflorescence a dense corymbose panicle with monochasial components; flowers bisexual, epigynous, small, covered with dense whitish hairs outside, pale mauve or purple inside; perianth with 6 equal tepals fused to a tube for their lower half; stamens 6, inner 3 slightly shorter than outer 3; filaments basally adnate to tepal tube; anthers dorsifixed, epipeltate, versatile, introrse; ovary inferior, syncarpous, trilocular, with septal nectaries and axile (marginal) placentation; style narrow, filiform; stigma small, capitate; ovules anatropous, 2 per locule, with micropyles facing downwards; fruit a l-seeded capsule; seeds shining black, with phytomelan in seed coat.


General Reference Perennial Herb Pollen Morphology Vascular Trace Large Vascular Bundle 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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© Springer-Verlag Berlin Heidelberg 1998

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  • P. J. Rudall

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