Home Flora of Panama (WFO)
Name Search
Markup OCR Documents
Rotala L. Search in The Plant ListSearch in IPNISearch in Australian Plant Name IndexSearch in Index Nominum Genericorum (ING)Search in NYBG Virtual HerbariumSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenAfrican Plants, Senckenberg Photo GallerySearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font

Project Name Data (Last Modified On 12/18/2012)

Flora Data (Last Modified On 12/18/2012)
PlaceOfPublication Mant. 175. 1771.
Synonym Suffrenia Bellardi, in Act. Taurin. 7:445. 1794. Boylinia Raf. Aut. Bot. 9. 1817, non Nutt. Winterlia Spreng. Syst. 1:5 19, 788. 1825. Ameletia DC. in MWm. Soc. Phys. Geneve 32:82. 1826. Nimmoia Wight, in Madr. Journ. Sci. 5:311. 1837. Rhyacophila Hochst. in Flora 24:659. 1841. Quartinia EndI. Gen. Suppl. 2:94. 1842. Hydrolythrum Hook. Icon. PI. n. s. 2: t. I007. 1843. Hypobrichia Benth. in Griseb. Cat. PI. Cub. 108. 1886.
Description Aquatic or palustrine herbs, glabrous throughout, simple or sparsely branched. Leaves opposite or verticillate, sessile. Inflorescence of 1-flowered axillary cymes. Flowers usually 3- or 4-merous, bisexual, actinomorphic. Hypanthium appendic- ulate or exappendiculate, generally urceolate, membranaceous, the calyx lobes generally equal, valvate. Petals as many as the calyx lobes or absent. Stamens as many as the calyx lobes or fewer, equal, included, the anthers ovoid or oblong-ovoid, the filaments inserted about one-third from the base of the hypanthium. Ovary 3- or 4-carpellary, sessile or with a short gynophore, 1-locular, the placentation free-central; ovules many; stigma capitate. Fruit a horizontally striate septicidal capsule; style and hypanthium persistent; seeds minute.
Habit herbs
Note About 38 species. America, Europe, Africa and Australia.
Key a. Plants palustrine; leaves and flowers decussate; hypanthium appendic- ulate, 2.5-5.0 mm. long; petals present ..................................................... 1. R. RAMOSIOR aa. Plants aquatic or palustrine; at least the upper leaves and flowers ternate; hypanthium exappendiculate, 0.5-1.0 mm. long; petals absent ..2. R. MEXICANA
© 2022 Missouri Botanical Garden - 4344 Shaw Boulevard - Saint Louis, Missouri 63110