Melampodium appendiculatum

B. L. Robinson

Proc. Amer. Acad. Arts 36: 457. 1901.

Treatment appears in FNA Volume 21. Treatment on page 36. Mentioned on page 35.

Annuals, 10–40+ cm. Leaf-blades lanceolate to lance-linear or linear, 25–80+ × 4–18+ mm, lengths 4–8+ times widths, margins ± crenate or entire. Peduncles (1–) 2–8+ cm. Outer phyllaries 5, connate 3/5–2/3 their lengths, ovate, 3.5–4.5 mm. Ray-florets 8–13; corollas yellow-orange, laminae oblongelliptic, 2–8+ × 1–2.5+ mm. Disc-florets 25–40+. Fruits 2.3–2.8 mm.


Phenology: Flowering Sep–Nov.
Habitat: Openings in pine forests
Elevation: 800–2000+ m

Distribution

V21-67-distribution-map.gif

Ariz., Mexico (Chihuahua), Mexico (Durango), Mexico (Sonora)

Discussion

Selected References

None.

Lower Taxa

None.
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
corymbiform +  and open +
indeterminate +  and determinate +
John L. Strother +
B. L. Robinson +
decurrent +
compound +  and simple +
lobed;rhombic;ovate;rhombic;ovate;linear-oblong;linear;lanceolate;deltate +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
yellow-orange +
8 +  and 20 +
obovoid +  and more or less prismatic +
fertile +  and bisexual +
Ariz. +, Mexico (Chihuahua) +, Mexico (Durango) +  and Mexico (Sonora) +
800–2000+ m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
0.23 cm2.3 mm <br />0.0023 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
Openings in pine forests +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
hemispheric +
oblongelliptic +
1mm;2.5mm +
2.5 cm25 mm <br />0.025 m <br /> (8 cm80 mm <br />0.08 m <br />) +
sessile +  and petiolate +
deltate +
dentate to pinnatifid or palmatifid +  and entire +
entire +  and crenate +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
2-carpellate +
persistent +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
tuberculate +
hardened +, coriaceous +  and scarious +
Flowering Sep–Nov. +
8 +  and 25 +
Proc. Amer. Acad. Arts +
bearing subulate enations +, hairy +  and bristly +
convex;conic +
exalbuminous +
prostrate +  and erect +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Compositae +
Melampodium appendiculatum +
Melampodium +
species +
campanulate +
toothed +  and entire +
50 cm500 mm <br />0.5 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
10 cm100 mm <br />0.1 m <br /> (40 cm400 mm <br />0.4 m <br />) +