Mulgedium

Cassini in F. Cuvier

in F. Cuvier, Dict. Sci. Nat. ed. 2, 33: 296. 1824.

Etymology: Latin mulgere, to milk, alluding to milky sap
Treatment appears in FNA Volume 19. Treatment on page 258. Mentioned on page 215, 219, 259.
 TaxonIllustrator 
FNA19 P22 Mulgedium pulchelum.jpegMulgedium pulchellum
Lactuca biennis
Lactuca canadensis
Marjorie C. Leggitt
Marjorie C. Leggitt
Marjorie C. Leggitt

Perennials [annuals or biennials], 15–100+ cm; ± rhizomatous. Stems usually 1, usually erect, branched distally, glabrous or glabrate. Leaves basal and cauline or mostly cauline; petiolate (basal) or sessile; blades oblong, elliptic, or ovate to lanceolate or linear, margins entire or dentate to pinnately lobed (faces glabrous, often glaucous). Heads borne singly or in corymbiform to paniculiform arrays. Peduncles not inflated distally, usually bracteate. Calyculi of 3–13+, deltate to lanceolate bractlets (sometimes intergrading with phyllaries). Involucres cylindric, 2–5 [–8+] mm diam. Phyllaries 8–13+ in 1–2 series, lanceolate to linear, subequal to equal, margins little, if at all, scarious, apices acute. Receptacles flat, pitted, glabrous, epaleate. Florets (10–) 15–50+; corollas usually bluish [yellow]. Cypselae reddish-brown to brown-mottled or slatey [blackish], bodies ± compressed, lanceoloid, beaks 0 (or gradually set off from and ± concolorous with bodies), ribs 4–6 on each face, faces glabrous [scabrid]; pappi persistent (borne on discs at tips of cypselae or beaks), of 80–120+, whitish, ± equal, barbellulate to nearly smooth bristles in 2–3+ series. x = 9.

Distribution

North America, Europe, Asia

Discussion

Species 15 or so (1 in the flora).

In referring a species long included in Lactuca to Mulgedium, I was influenced by K. Bremer (1994).

Selected References

None.

"fine" is not a number.

... more about "Mulgedium"
scarious +
ovate +  and lanceolate +
corymbiform +  and paniculiform +
indeterminate +  and determinate +
John L. Strother +
Cassini in F. Cuvier +
decurrent +
compound +  and simple +
ovate;lanceolate or linear +
tuberculate +, rugose +, muricate +  and smooth +
lanceoloid;compressed +
deltate;lanceolate +
filiform +
barbellulate +  and nearly smooth +
zygomorphic +, actinomorphic +  and (3-)5-merous +
reddish-brown +  and brown-mottled or slatey +
tapered +, beaked +, flattened +, obcompressed +, compressed +, prismatic +, fusiform +, ellipsoid +, columnar +  and clavate +
North America +, Europe +  and Asia +
Latin mulgere, to milk, alluding to milky sap +
winged +  and beaked +
dispersed +
in corymbiform to paniculiform arrays +  and singly +
indeterminate +
each +  and sessile +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
dentate to pinnately lobed +  and entire +
divided +, lobed +  and dentate +
2-carpellate +
persistent +
connate +  and distinct +
8 +  and 13 +
in F. Cuvier, Dict. Sci. Nat. ed. +
flat;convex +
4 +  and 6 +
exalbuminous +
glabrate +  and glabrous +
appendaged +  and truncate +
papillate +
Undefined tribe Lactuceae +
Mulgedium +
Asteraceae tribe Cichorieae +
15 cm150 mm <br />0.15 m <br /> (100 cm1,000 mm <br />1 m <br />) +
shrub +  and subshrub +