Rudbeckia laciniata var. bipinnata
Rhodora 64: 328. 1962.
Common names: Northeastern cutleaf coneflower
Endemic
Treatment appears in FNA Volume 21. Treatment on page 49.
Leaves: basal 15–40 × 10–25 cm, blades pinnately compound to 2-pinnatifid; proximal cauline 2-pinnatifid, mid cauline blades 5–11-lobed (distal usually 3-lobed); adaxial faces sparsely to moderately hairy. Receptacles globose to ovoid; paleae 3.1–4.1. Ray laminae 20–45 × 7–12 mm. Discs 15–19 × 10–20 mm. Cypselae 3.5–4 mm; pappi mostly 0.7+ mm. 2n = 72, ca. 72, 102+.
Phenology: Flowering late summer–fall.
Habitat: Wet habitats, along streams and edges of woods
Elevation: 10–300 m
Distribution
Conn., Del., Md., Mass., N.H., N.Y., Pa.
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Rudbeckia laciniata var. bipinnata"
hairy +
hairy +
introrse +
connate +
herbaceous +
hairy +
acute;rounded +
scarious +
absent +
hirsute +
papillate +
corymbiform +
continuous +
petiolate +
compound +
2-pinnatifid +
winged;ribbed;winged;ribbed +
1;15 +
1mm;1.5mm +
proximal +
2/3;4/5 +
stigmatic +
absent +
5-11-lobed +
Northeastern cutleaf coneflower +
tipped +
monomorphic +
dimorphic +
3.5mm;4mm +
staminate +
10mm;20mm +
compound +
1-2-pinnatifid +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
discoid +
indeterminate +
surrounding +
fusiform;turbinate or broadly campanulate +
15mm;50mm +
hairy +
4mm;14mm +
opposite +
green +
glaucous +
2-pinnatifid +
2-carpellate +
inferior +
attached +
anatropous +
3.1;4.1 +
persistent +
longer +
falling +
absent +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
unequal +
Rhodora +
1962 +
pistillate +
absent +
fertile +
epaleate +
globose;ovoid +
fibrous +
unequal +
exalbuminous +
modifed +
Endemic +
alternate +
branched +
erect +
2-branched +
papillate +
Rudbeckia laciniata var. bipinnata +
Rudbeckia laciniata +
variety +
cylindric +
equaling +
shorter +
much longer +
crenate +
perennial +