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Aletris farinosa

(White-Tubed Colicroot)

Overview

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Threatened

Threat status

Common Names

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Common Names in English:

Ague Root, Agueroot, Colic-Root, Colicroot, Crow-Corn, Mealy Star-Grass, Mealy Starwort, Star Grass, True Unicorn Root, Unicorn Root, Unicorn-Root, White Colic Root, White Colicroot, White Star-Grass, White Stargrass, White-Tubed Colicroot

Description

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Genus Aletris

Herbs, perennial , scapose , rhizomatous . Leaves in dense basal rosettes, clasping erect branches; blade narrowly linear to lanceolate, oblanceolate , linear-elliptic, or elliptic , flat, leathery, distal margins fused to form subulate tips . Scape 2-10 dm. Inflorescences racemose. Flowers each subtended by 2 subulate, unequal bracts, short-pedicellate; perianth white, yellow, or golden orange, cylindrical, campanulate , or obovoid , abaxial surfaces rough; tepals 6, connate basally; stamens 6, included ; filaments adnate to perianth; anthers oblong-lanceolate, longer than filaments; ovary half inferior with proximal portions of perianth adnate at maturity; style 3-branched at apex. Fruits capsular , 3-locular, beaked . Seeds amber, deeply sulcate , ellipsoid to ovoid , 0.5-0.8 mm, lustrous .

Species ca. 25: North America, West Indies (Bahamas), eastern Asia.

Some species of Aletris (e.g. , A. lutea and A. obovata) are quickly eliminated unless habitats are occasionally burned or otherwise kept clear of undergrowth.[1]

Physical Description

Species Aletris farinosa

Leaves 4-20 × 0.5-2.6 cm; blade bright yellowish green, linear-lanceolate. Scape 4-10 dm. Flowers: perianth white to creamy white, cylindrical, 7-10 mm, lobes spreading . Fruits: beaks abruptly narrowed distally. [source]

Habit: Forb/herb

Flowers: Bloom Period: April, June. • Flower Color: near white, white

Size/Age/Growth

Size: 18-24" tall.

Habitat

Open sites of various habitats , moist bogs , dry to mesic prairies, and dry, upland woods and thickets; 0--2000+ m [2].

Typically found at an altitude of 0 to 1,092 meters (0 to 3,583 feet).[3]

Biology

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Reproduction

Duration: Perennial

Growth

Sunlight: Sun Exposure: Light Shade.

Temperature: Cold Hardiness: 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b. (map)

Taxonomy

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Notes

Name Status: Accepted Name . Latest taxonomic scrutiny: 15-Mar-2000

Place of publication : Sp. pl. 1:319. 1753

Name verified on 17-Mar-2006 by ARS Systematic Botanists. Last updated: 29-Oct-2007

Similar Species

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Members of the genus Aletris

ZipcodeZoo has pages for 62 species, subspecies, varieties, forms, and cultivars in this genus:

A. alba · A. alpestris · A. arabica · A. arborea · A. aurea (Golden Colic-Root) · A. biondiana · A. brachyphylla · A. bracteata (Bracted Colicroot) · A. capensis · A. capitata · A. chinensis · A. cinerascens · A. cochinchinensis · A. delavayi · A. dielsii · A. farinosa (White-Tubed Colicroot) · A. fauriei · A. foliata · A. foliolosa · A. foliosa · A. formosana · A. fragrans · A. glabra · A. glandulifera · A. gracilipes · A. gracilis · A. guineensis · A. hyacinthoides · A. japonica · A. khasiana · A. lactiflora · A. lanuginosa · A. laxiflora · A. longibracteata · A. lucida · A. lutea (Yellow Colic-Root) · A. luteo-viridis · A. luteoviridis · A. mairei · A. makiyataroi · A. megalantha · A. nana · A. nepalensis · A. obovata (Southern Colicroot) · A. pauciflora · A. pauciflora var. khasiana · A. pedicellata · A. pumila · A. punicea · A. rigida · A. sarmentosa · A. scopulorum · A. sikkimensis · A. spicata · A. stelliflora · A. stenoloba · A. tavelii · A. tottenii (Totten's Colicroot) · A. uvaria · A. × tottenii (Totten's Colicroot) · A. yaanica · A. tottenii (Totten's Colicroot)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal November 15, 2007:

Identifiers

Footnotes

  1. Victoria I. Sullivan "Aletris". in Flora of North America Vol. 26 Page 51, 55, 56, 57, 64, 65, 67. Oxford University Press. Online at EFloras.org. [back]
  2. "Aletris farinosa". in Flora of North America Vol. 26 Page 65. Oxford University Press. Online at EFloras.org. [back]
  3. Mean = 218.800 meters (717.848 feet), Standard Deviation = 225.660 based on 423 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
Last Revised: 7/1/2009