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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 8286Thalia dealbata Fraser ex Roscoe Provence-Alpes-Côte-d’Azur, France Historic1902COLLECTED1547394PI 8286
1NA 86570NA 86570Thalia dealbata Fraser ex Roscoe NANot Available2020Cultivated materialFull name as recorded at U.S. National Arboretum: Thalia dealbata.2154782NA 86570
2NSL 440016Indian BayouThalia dealbata Fraser ex Roscoe Mississippi, United StatesOPGCNot Available2005COLLECTEDNEAR 1990Wild materialPowdery Thalia is native to wetlands in the Mississippi Delta, but due to habitat disruption is now rarely found growing in the wild. It is classified as an obligate wetland plant in the regions in which it is found, but it can tolerate dry conditions during the summer. Indian Bayou is a robust, rhizomatous perennial, up to 2 m tall to the top of the flowering scape. All upper portions of the plant are white-powdery. Leaves are large, ovate-lanceolate to elliptic-lanceolate, blades mostly 15-36 cm long by 6-13 cm wide, with petioles up to 8-9 cm long. The inflorescence is terminal composed of paired spikes with zig-zagged axes. Flowers are perfect, paired, subtended by two bracts. Sepals 3; petals 3, purplish; staminodia purplish and petaloid, the medial one largest and having a fertile stamen. The ovary is inferior with 3 locules. The fruit is a purplish, subglobose utricle, up to 13mm in diameter. Flowering occurs from June to October, with seeds maturing from August to November.1695063NSL 440016