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Tradescantia ozarkana E. S. Anderson & Woodson
Life   Plantae   Monocotyledoneae   Commelinaceae   Tradescantia

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Following modified from MissouriPlants.com
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Tradescantia ozarkana Anders. & Woods.

Ozark Spiderwort

Tradescantia ozarkana plant

Family - Commelinaceae

Stems - To +50cm tall, simple, from thickened roots, herbaceous, glabrous to hirsute, glaucous, somewhat succulent.

Leaves - Alternate, sheathing at base, to -30cm long, +/-4cm broad, glaucous above and below (less so above), glabrous, ciliate margined, narrowly lanceolate.

Tradescantia ozarkana plant

Inflorescence - Terminal, bracteate, umbellate cymes of +/-15 flowers. Pedicels +/-3cm long, glandular pilose, strongly recurving in fruit.

Flowers - Petals 3, white to pink or lilac, glabrous, broadly ovate, +/-2cm long and broad, distinct. Stamens 6. Filaments 3mm long, white, with dense multicellular hairs attached mostly in lower half, (hairs longer than filament). Anthers yellow, 2mm broad, 1mm long. Style 1, glabrous, 2-3mm long. Ovary superior, 3-locular, (one ovule per locule), with erect gland-tipped hairs on summit. Sepals 3, ovate, acute, glandular pilose externally, glabrous internally, +/-8mm long, 4mm broad, free, accrescent.

Tradescantia ozarkana calyx Calyx.

Tradescantia ozarkana flower

Flowering - April - May.

Habitat - Slopes, woods, bluff ledges.

Origin - Native to U.S.

Other info. - This is a nice plant because it's not the usual T. ohiensis , which, while striking, is very common.
T. ozarkana can have variably colored flowers. I also photographed this pinkish-lilac colored flower:

Tradescantia ozarkana flower

The stems are typically glabrous but the white flowered plants shown above all had hirsute stems. In the "Flora of Missouri" Steyermark writes that he found plants with hirsute (densely pubescent) stems in Taney County, which is where these photographs were taken. Julian Steyermark was the man.
The plant can be found in rich, rocky areas of the habitats mentioned above.

Photographs taken in the Hercules Glade Wilderness, Mark Twain National Forest, Taney County, MO., 4-28-00.

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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=TROZ ---> https://plants.usda.gov/java/profile?symbol=TROZ
https://plants.usda.gov/java/profile?symbol=TROZ ---> http://plants.usda.gov/core/profile?symbol=TROZ
http://plants.usda.gov/core/profile?symbol=TROZ ---> https://plants.usda.gov/core/profile?symbol=TROZ
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Tradescantia ozarkana E.S. Anderson & Woodson
Ozark spiderwort

General Information
Symbol: TROZ
Group: Monocot
Family: Commelinaceae
Duration: Perennial
Growth Habit : Forb/herb
Native Status : L48   N
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green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
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Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   





Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Liliopsida – Monocotyledons
Subclass Commelinidae
Order Commelinales
Family Commelinaceae – Spiderwort family
Genus Tradescantia L. – spiderwort
Species Tradescantia ozarkana E.S. Anderson & Woodson – Ozark spiderwort

Subordinate Taxa

This plant has no children

Legal Status

Wetland Status

Interpreting Wetland Status

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More Accounts and Images
Flora of North America (TROZ)
Integrated Taxonomic Information System (TROZ)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

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Following modified from Flora of North America
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Link to Flora of North America home
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FNA Vol. 22 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 22 | Commelinaceae | Tradescantia

3. Tradescantia ozarkana E. S. Anderson & Woodson, Contr. Arnold Arbor. 9: 56, plate 12, map 3. 1935.

Herbs, erect or ascending, rarely rooting at nodes. Stems not flexuous, 10--50 cm; internodes glabrous to pilose. Leaves spirally arranged, sessile; blade silvery or gray-green, lanceolate to linear-lanceolate or linear-oblong, 8--28 ´ 1--6 cm (distal leaf blades wider than sheaths when sheaths opened, flattened), base ± rounded to cuneate, apex acuminate, ± glaucous, usually glabrous. Inflorescences all or mostly terminal; bracts foliaceous. Flowers distinctly pedicillate; pedicels 2--3.2 cm, glandular-pilosulose; sepals 6--12 mm, sparsely to densely glandular-pilosulose; petals distinct, white or pale pink to pale lavender, broadly ovate, not clawed, 1.2--1.6 cm; stamens free. Capsules 6--8 mm. Seeds 3--4 mm. 2n = 12, 24.

Flowering spring (Apr--May). Rich woods, mainly on rocky slopes and along cliffs, occasionally in bottomlands; Ark., Mo., Okla.

Tradescantia ozarkana is endemic to the Ozarks.

Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Tradescantia+ozarkana&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Tradescantia+ozarkana&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

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Number of matches : 3
Query: SELECT * FROM img WHERE ready=1 and taxon like "Tradescantia ozarkana%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Tradescantia ozarkana
Tradescantia ozarkana
Ozark Spiderwort
ID: 0000 0000 1206 0010 [detail]
© 2006 Ron Thomas

Tradescantia ozarkana
Tradescantia ozarkana
Ozark Spiderwort
ID: 0000 0000 1206 0011 [detail]
© 2006 Ron Thomas

Tradescantia ozarkana
Tradescantia ozarkana
Ozark Spiderwort
ID: 0000 0000 1206 0012 [detail]
© 2006 Ron Thomas

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Updated: 2019-09-21 02:31:59 gmt
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