Persicaria posumbu
Oriental Lady's Thumb, Oriental Ladysthumb
Other regional names: Tall Smartweed
- Tall Smartweed
Also known as: Persicaria caespitosa (Blume) Nakai +8 more
- Persicaria caespitosa (Blume) Nakai
- Persicaria yokusaianum Makino
- Polygonum caespitosum Blume
- Polygonum caespitosum subsp. yokusaianum (Makino) Danser
- Polygonum caespitosum var. caespitosum
- Polygonum caespitosum var. laxiflorum Meisn.
- Polygonum cespitosum var. cespitosum
- Polygonum gracile Ham. ex Hook.f.
- Polygonum rhizocaulon DeBruyn
Botanical Data
- Taxonomic Rank: Species
- Botanical Family: Polygonaceae
- WCVP Morphological Data: Recorded natively as a annual.
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Persicaria posumbu (commonly known as Oriental Lady's Thumb) is an annual belonging to the Polygonaceae family. Originating in Temperate Asia and Tropical Asia, this species is primarily associated with temperate conditions. There are naturally occurring subspecies of this species, which are linked below.
Macro Climate
Temperate
Plant Type
Annual
Native Range
Continents (WGSRPD)
ASIA-TEMPERATE, ASIA-TROPICAL
Regions (WGSRPD)
China, Eastern Asia, Indian Subcontinent, Indo-China, Malesia, Russian Far East
Botanical Countries (WGSRPD L3)
Assam, Bangladesh, China North-Central, China South-Central, China Southeast, East Himalaya, Hainan, Japan, Korea, Kuril Is., Laos, Malaya, Manchuria, Myanmar, Nepal, Nicobar Is., Philippines, Primorye, Taiwan, Thailand, Tibet, Vietnam, West Himalaya
Introduced Range
Plants flagged as 'Introduced' have been transported outside their native historical range by human activity. While many are common ornamentals, some may become naturalized or invasive in local environments. Local ecological guidelines require verification prior to planting.
Botanical Countries (Non-Native)
New Jersey, New York, Transcaucasus
Subspecies, Varieties & Forms