Moenchia

Ehrhart

Neues Mag. Aerzte 5: 203. 1783.

Common names: Upright chickweed
Etymology: for Conrad Moench, 1744–1805, professor at Marburg, Germany
Treatment appears in FNA Volume 5. Treatment on page 93. Mentioned on page 4, 6, 8.

Herbs, annual. Taproots slender. Stems ascending to erect, simple or sometimes branched proximally, terete. Leaves: cauline leaves connate proximally, sessile or sometimes petiolate (basal leaves); blade 1-veined, linear to linear-oblanceolate, not succulent, apex acute. Inflorescences terminal, 1–3-flowered, spreading cymes or flowers solitary; bracts paired, foliaceous, those of axillary flowers with scarious margins. Pedicels erect. Flowers: perianth and androecium hypogynous; sepals 4, distinct, green, lanceolate, 3.8–7 mm, herbaceous, margins white or silvery, scarious, apex acute; petals 4 or rarely absent, white, claw absent, blade apex entire; nectaries at base of filaments opposite sepals; stamens 4, inserted at base of ovary; filaments distinct nearly to base; staminodes absent; styles 4, filiform, 0.7–1 mm, glabrous proximally; stigmas 4, linear along adaxial surface of styles, minutely papillate (50×). Capsules cylindric, opening by 8 revolute teeth, shorter than or equaling sepals; carpophore absent. Seeds 35–55, brown, reniform with deep abaxial groove, laterally compressed, papillate, marginal wing absent, appendage absent. x = 19.

Distribution

Introduced; Europe (Mediterranean region), in Africa (Republic of South Africa), Australia

Discussion

Species 3 (1 in the flora).

Lower Taxa

... more about "Moenchia"
Richard K. Rabeler +  and Ronald L. Hartman +
Ehrhart +
Laciniate (?) +, Emarginate (?) +, Jagged (?) +, 2-fid (?) +  and Entire (?) +
linear +  and linear-oblanceolate +
not succulent +
reduced +
herbaceous +  and scarious +
cylindric +
petiolate +  and sessile +
Upright chickweed +
dish--shaped +
expanded +
Europe (Mediterranean region) +, in Africa (Republic of South Africa) +  and Australia +
straight +  and curved +
central +  and peripheral +
for Conrad Moench, 1744–1805, professor at Marburg, Germany +
inconspicuous +
unisexual +  and bisexual +
stalked +  and simple +
disc--shaped +  and dish +
not stipulate +  and petiolate +
connate +
silvery +  and white +
swollen +
3 +  and 5 +
crassinucellate +  and bitegmic +
campylotropous +
fugacious +
Neues Mag. Aerzte +
ketzner1996a +  and rabeler1991a +
papillate +
compressed +  and reniform +
persistent +
distinct +
lanceolate +
0.38 cm3.8 mm <br />0.0038 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
branched +  and simple +
ascending;erect +
[50 +  and 4 +
papillate +
distinct +
filiform +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Moenchia +
Caryophyllaceae subfam. Alsinoideae +
divided +
10 +  and 8 +
rhizomatous +  and taprooted +
pubescence of simple hairs or stalked glands +  and glabrous +