familyPenthoraceae
genusPenthorum
Show Lower Taxa
Penthorum
Sp. Pl. 1: 432. 1753.
Gen. Pl. ed. 5, 197. 1754 ,.
Common names: Ditch-stonecrop
Etymology: Greek pente, five, and horos, limit or landmark, alluding to 5-merous flower
Plants rhizomatous or stoloniferous. Stems decumbent or ascending to erect, glabrous proximally, stipitate-glandular distally. Leaf-blades elliptic-lanceolate to oblanceolate, base acuminate, apex acuminate. Inflorescences pedunculate, branches stipitate-glandular. Pedicels present, stipitate-glandular. Flowers: hypanthium stipitate-glandular; sepals green or reddish, triangular to narrowly triangular; petals inconspicuous, white or greenish white; filaments white, yellow, or pink, glabrous; anthers yellow or pink. Seeds minutely tuberculate. x = 8 or 9.
Distribution
North America, Europe (Russia), Asia
Discussion
Species 2 (1 in the flora).
Penthorum chinense Pursh is known from European Russia and Asia.
Selected References
None.
Lower Taxa
... more about "Penthorum"
dehiscent +
acuminate +
acuminate +
stipitate-glandular +
Ditch-stonecrop +
straight +
funicular +
cellular +
scant +
glabrous +
bisexual +
capsular +
circumscissile +
proximal +
absent +
stipitate-glandular +
Present +
pedunculate +
elliptic-lanceolate;oblanceolate +
simple +
alternate +
cauline +
absent +
(4-)5(-8)-locular +
marginal +
anatropous +
absent +
stipitate-glandular +
distinct +
absent +
inconspicuous +
1;8 +
absent +
(4-)5(-8)-carpellate +
free +
1753 +
scorpioid +
300;400 +
tuberculate +
ellipsoid;subfusiform +
connate +
triangular;narrowly triangular +
longitudinal +
ascending;erect +
capitate +
absent +
distinct +
Penthorum +
Penthoraceae +
genus +
perennial +