Geranium maculatum L.
Family - Geraniaceae
Stems - To 60cm tall, erect,multiple from base, herbaceous, hirsute to retrorse pubescent, angled, from rhizomes.
Leaves - Opposite, petiolate. Petioles to 30cm long(on basal leaves), shorter above, hirsute. Blades palmately 5-7-lobed, pubescent. Lobes with margins entire in basal half, coarse serrate and often lobed in upper half. Margins antrorse strigose.
Inflorescence - Terminal corymb of 1-4 flowers. Pedicels erect, hirsute. Each division subtended by linear bracts to 7mm long.
Flowers - Petals 5, free, obovate, cuneate, to 2cm long, 1.5cm broad, glabrous, rounded to emarginate or truncate at apex, lilac to rose-purple. Stamens 10, 5 with glandular bases. Filaments broad and ciliate-margined at base, to 6mm long, tuberculate above, white. Anthers 1.5mm broad, 3mm long, light brown. Carpels 5. Styles to 2mm long, connate. Stigma 5-lobed. Sepals 5, free, imbricate, elliptic-ovate, entire, glabrous externally, dense pubescent internally, aristate, to 1.3cm long (including arista), 4mm broad. Margins long ciliate. Fruit erect, with long style column, pubescent. Seeds to 3mm long, glabrous.
Flowering - April - June.
Habitat - Rich to rocky open woods, thickets, ravines.
Origin - Native to U.S.
Other info. - This is a common
plant in Missouri and can be found throughout the entire state. The plant
is becoming popular in cultivation also because of its striking purplish
flowers. There is a white flowered form, form albiflorum
(Raf.) House, which has not been found in Missouri. Our plants belong
to form maculatum.
Photographs taken at the Kansas City Zoo, 4-28-00, and at Charrette Creek, MO., 4-17-04.