Hydrocotyle sibthorpioides

Family:ARALIACEAE
Species:Hydrocotyle sibthorpioides Lamarck
Common Name:Lawn Pennywort; Lawn Water Pennywort; Lawn Marsh Pennywort
Habitat:Weed of moist lawns.
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:HYSI
Plant Notes:Lawn Pennywort is an introduced herbaceous perennial in the Ginseng family (Araliaceae). It is native to southeast Asia. In Alabama it can be found at scattered sites across the state. It grows in a wide variety of habitats, from dry areas to wetlands, but most often occurs as a lawn weed. Lawn Pennywort is a perennial with creeping, matted stems that root at the nodes. The stems are thin, green in color, and frequently branch. Leaves are petiolate, blades basifixed, reniform or orbicular in outline, with crenate or 5-7 shallowly lobed margins. There are usually 2 leaves per node. The leaves are usually glabrous on the upper surface and glabrous or sparsely pubescent on the lower surface. All parts of the plant are strongly aromatic when crushed. Flower are produced in 5-10 flowered umbels. The umbels are solitary in the leaf axils. The peduncle is longer than the petiole of the adjacent leaf. The purplish-green flowers are inconspicuous. Individual flowers have five petals and yellow glands on the petals and bracts. The fruit is dry, flattened, and circular, containing two seeds that split apart. The fruit has prominent ribs. Lawn Pennywort is sold as a pool or aquarium plant. In Asia it has been used in traditional medicine.—A. Diamond
Taxonomic Notes:**
Status:Not Native
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyARALIACEAE - Ginseng family
Genus Hydrocotyle
Species Hydrocotyle sibthorpioides Lamarck - Lawn Pennywort; Lawn Water Pennywort; Lawn Marsh Pennywort

Citation

Citation HYDROCOTYLE SIBTHORPIOIDES Lamarck, Encycl. 3: 153. 1789.
Basionym: **
Type: MAURITIUS

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Chondrocarpus sibthorpioides Chondrocarpus sibthorpioides (Lamarck) Sweet, Hort. Brit. 185. 1826.Hydrocotyle sibthorpioides Lamarck 1789 
Hydrocotyle batrachium Hydrocotyle batrachium Hance, Ann. Sci. Nat., Bot., ser. 4. 18: 220. 1862. CHINA
Hydrocotyle formosana Hydrocotyle formosana Masamune, J. Soc. Trop. Agric. 2: 51. 1930. TAIWAN
Hydrocotyle japonica Hydrocotyle japonica Makino, J. Jap. Bot. 3: 47. 1926. JAPAN
Hydrocotyle keelungensis Hydrocotyle keeluntensis Liu et al., Quart. J. Taiwan Mus. 14: 29. 1961. TAIWAN: Keelung, s.d., Chunag 3980 (holotype: TAI).
Hydrocotyle nitidula Hydrocotyle nitidula A. Richard, Ann. Gen. Sci. Phys. 4: 200, t. 63(33). 1820.  
Hydrocotyle perexigua Hydrocotyle perexigua Hance, in Walpers, Ann. Bot. Syst. 2: 691. 1852. CHINA: Hong Kong
Hydrocotyle puncticulata Hydrocotyle puncticulata Miquel, Fl. Ned. Ind. 1(1): 732. 1856. INDONESIA: Java
Hydrocotyle rotundifolia Hydrocotyle rotundifolia Roxburgh, Fl. India, ed. 1832. 2: 88. 1832. INDIA
Hydrocotyle rotundifolia var. pauciflora Hydrocotyle rotundifolia Roxburgh, var. pauciflora Yabe, J. Coll. Sci. Imp. Univ. Tokyo 16(4): 14. 1902. JAPAN: Near Tokyo
Hydrocotyle splendens Hydrocotyle splendens Zollinger ex Miquel, Fl. Ned. Ind. 1(1): 732. 1856. INDONESIA: Java
Hydrocotyle tenella Hydrocotyle tenella D. Don, Prodr. Fl. Nepal. 183. 1825. NEPAL
Hydrocotyle yabei Hydrocotyle yabei Makino, Bot. Mag. (Tokyo) 24: 243. 1910.Hydrocotyle rotundifolia Roxburgh, var. pauciflora Yabe 1902. 
Hydrocotyle yabei var. japonica Hydrocotyle yabei Makino, var. japonica (Makino) M. Hiroe, Acta Phytotax. Geobot. 14: 41. 1950.Hydrocotyle japonica Makino 1926. 
Hydrocotyle zollingeri Hydrocotyle zollingeri Molkenboer, in Miquel, Pl. Jungh. 1: 91. 1851. INDONESIA: Java

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort; choose a county or herbaria to filter the specimen data.

Counties included on distribution map: Calhoun, Cleburne, Elmore, Houston, Jefferson, Lee, Madison, Montgomery, Shelby, Tuscaloosa

Counties represented by specimen data listed below:

Herbaria represented by specimen data listed below: ALNHS, AMAL, AUA, BRIT, TROY, UNA, UWAL

Range of years during which specimens were collected: -

Barcode / Accession No. County Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
Image
TROY000044054 Shelby 09 Apr 2015 England, J. Kevin
5392
TROY
Hydrocotyle sibthorpioides Lamarck
ALNHS00004434 Houston 19 Jul 2016 Barger, T. Wayne
DTP-293
ALNHS
Hydrocotyle sibthorpioides Lam.
UWAL0031705 Shelby 09 Apr 2015 England, J. Kevin
5392
UWAL
Hydrocotyle sibthorpioides Lamarck
UWAL0037842 Calhoun 24 Apr 2017 Spaulding, Daniel D.
14749
UWAL
Hydrocotyle sibthorpioides Lam.
BRIT70330 Houston 13 Jun 1993 MacDonald, John R.
6259
BRIT
Hydrocotyle sibthorpioides Lamarck
AUA000028565 Jefferson Sep 1989 Freeman, John D.
AUA
Hydrocotyle Sibthorpioides Lam.
TROY000050121 24 Nov 2019 Diamond, Alvin R.
29156
TROY
Hydrocotyle sibthorpioides Lamarck
AUA000028567 Madison 27 May 1991 Everest, John W.
S. N.
AUA
Hydrocotyle Sibthorpioides Lam.
ALNHS00004434 Houston 19 Jul 2016 Barger, T. Wayne
DTP-293
ALNHS
Hydrocotyle sibthorpioides Lam.
AUA000044033 Madison 8 Oct 2020 Hansen, Curtis J.
7863
AUA
Hydrocotyle Sibthorpioides Lam.
UWAL0033928 Tuscaloosa 02 Apr 2016 Keener, Brian R.
9459
UWAL
Hydrocotyle sibthorpioides Lam.
ALNHS00000966 Montgomery 31 Jan 2012 Barger, T. Wayne
SP#363
ALNHS
Hydrocotyle sibthorpioides Lam.
TROY000046981 Elmore 07 Jul 2011 Pullen, Robert
31
TROY
Hydrocotyle sibthorpioides Lamarck
TROY000013866 Jefferson 01 Sep 1989 Freeman, John D.
s.n.
TROY
Hydrocotyle sibthorpioides Lam.
AMAL00023328 Tuscaloosa 02 Apr 2016 Keener, Brian R.
9459
AMAL
Hydrocotyle sibthorpioides Lam.
AUA000028566 Lee 14 Aug 1954 Moore, William H.
AUA
Hydrocotyle Sibthorpioides Lam.
UNA00055921 Houston 13 Jun 1993 MacDonald, John R.
6259
UNA
Hydrocotyle sibthorpioides Lam.
UWAL0051738 Cleburne 09 Sep 2018 Spaulding, Daniel D.
15706
UWAL
Hydrocotyle sibthorpioides Lam.
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