Status:
valid
Authors:
(De Wild.) C.W.Park
Source:
tro
Year:
1986
Citation Micro:
Brittonia 38: 218 (1986)
WFO Identifier:
wfo-0001101231
Common Names
- Polygonum subsagittatum
- Arrow-leaved Tearthumb
- Arrowleaf Tearthumb
Description
Polygonum subsagittatum (also called Arrow-leaved Tearthumb, among many other common names) is an annual or perennial herbaceous plant native to North America. It has a slender stem, reaching up to 60 cm in height, and arrow-shaped leaves. It grows in moist soils, such as in meadows, ditches, and disturbed areas.
Uses & Benefits
Polygonum subsagittatum is used as an ornamental plant in gardens and as a houseplant. It is also used in traditional medicine to treat a variety of ailments, including fever, cough, and skin diseases.
Flower, Seeds and Seedlings
Polygonum subsagittatum has small, white flowers with five petals and yellow anthers. The seeds are small and black. The seedlings are thin and have small, oval-shaped leaves.
Cultivation and Propagation
Polygonum subsagittatum is a perennial herbaceous plant native to China. It is a fast-growing plant that can reach a height of up to 1.5m. It prefers moist, well-drained soils in full sun or partial shade. Propagation is best done by division or stem cuttings. Division should be done in the spring or early summer. Stem cuttings should be taken from the current season's growth and planted in a moist, well-drained soil.
Where to Find Polygonum subsagittatum
Polygonum subsagittatum is native to South Africa and can be found in the Eastern Cape, Free State, Gauteng, KwaZulu-Natal, Limpopo, Mpumalanga, and North West provinces.
Species in the Polygonum genus
Polygonum icaricum,
Polygonum idaeum,
Polygonum albanicum,
Polygonum arenarium,
Polygonum arenastrum,
Polygonum acetosum,
Polygonum salsugineum,
Polygonum scoparium,
Polygonum tenoreanum,
Polygonum perfoliatum,
Polygonum plebeium,
Polygonum romanum,
Polygonum rurivagum,
Polygonum ramosissimum,
Polygonum douglasii,
Polygonum floribundum,
Polygonum equisetiforme,
Polygonum filicaule,
Polygonum bellardii,
Polygonum boreale,
Polygonum aviculare,
Polygonum cognatum,
Polygonum careyi,
Polygonum maritimum,
Polygonum patulum,
Polygonum papillosum,
Polygonum oxyspermum,
Polygonum glaucum,
Polygonum gussonei,
Polygonum longiocreatum,
Polygonum longipes,
Polygonum istanbulicum,
Polygonum americanum,
Polygonum basiramium,
Polygonum parksii,
Polygonum angustifolium,
Polygonum coriarium,
Polygonum divaricatum,
Polygonum dshawachischwilii,
Polygonum erectum,
Polygonum hissaricum,
Polygonum humifusum,
Polygonum jurii,
Polygonum panjutinii,
Polygonum thunbergii,
Polygonum tripterocarpum,
Polygonum weyrichii,
Polygonum brittingeri,
Polygonum lacerum,
Polygonum paraguayense,
Species in the Polygonaceae family
Acanthoscyphus parishii,
Afrobrunnichia africana,
Afrobrunnichia erecta,
Antigonon flavescens,
Antigonon guatimalense,
Antigonon leptopus,
Aristocapsa insignis,
Atraphaxis intricata,
Atraphaxis angustifolia,
Atraphaxis aucheri,
Atraphaxis avenia,
Atraphaxis badghysi,
Atraphaxis billardieri,
Atraphaxis bracteata,
Atraphaxis canescens,
Atraphaxis caucasica,
Atraphaxis compacta,
Atraphaxis daghestanica,
Atraphaxis decipiens,
Atraphaxis frutescens,
Atraphaxis grandiflora,
Atraphaxis irtyschensis,
Atraphaxis karataviensis,
Atraphaxis kopetdagensis,
Atraphaxis laetevirens,
Atraphaxis macrocarpa,
Atraphaxis manshurica,
Atraphaxis muschketowii,
Atraphaxis pungens,
Atraphaxis pyrifolia,
Atraphaxis rodinii,
Atraphaxis seravschanica,
Atraphaxis spinosa,
Atraphaxis suaedifolia,
Atraphaxis teretifolia,
Atraphaxis virgata,
Atraphaxis arianum,
Atraphaxis atraphaxiforme,
Atraphaxis toktogulicum,
Brunnichia ovata,
Calligonum acanthopterum,
Calligonum aciferum,
Calligonum aculeatum,
Calligonum aequilaterale,
Calligonum alaschanicum,
Calligonum alatiforme,
Calligonum alatum,
Calligonum amoenum,
Calligonum androssowii,
Calligonum aphyllum,
References
Chong Wook Park: Based on occurrence of standard abbreviation 'C.W.Park' in the authors string.