Ranunculus sect. Pseudaphanostemma

(A. Gray) L. D. Benson

Amer. J. Bot. 23: 174. 1936.

Basionym: Undefined sect. Ranunculus Pseudaphanostemma A. Gray Proc. Amer. Acad. Arts 21: 365. 1886
Synonyms: Undefined sect. Kumlienia Greene
Treatment appears in FNA Volume 3.

Plants glabrous. Stems erect, stolons absent, not bulbous-based, without bulbils. Roots basal, never tuberous. Leaves all basal or sometimes with 1-2 cauline leaves; basal leaves petiolate, blades shallowly lobed; cauline leaves (when present) sessile or petiolate, blades small, scalelike, rarely shallowly 3-lobed, margins crenate. Inflorescences 1-2-flowered cymes. Flowers pedicellate; sepals deciduous soon after anthesis, 5; petals 8-12, yellow or greenish; nectary scale crescentic ridge surrounding nectary, glabrous, free margin entire; style present. Fruits achenes, 1-locular; achene body cylindric, about as wide as thick, not prolonged beyond seed; wall papery, not loose, longitudinally veined; margin an inconspicuous ridge similar to veins; beak much shorter than achene body.

Discussion

Species 1 (1 in the flora).

Selected References

None.

Alan T. Whittemore +
(A. Gray) L. D. Benson +
cuneate +, truncate +  and cordate +
Undefined sect. Ranunculus +
curved +  and straight +
0 cm0 mm <br />0 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
3-lobed;scale-like;lobed +
large +  and small +
globose;cylindric +
petiolate;sessile +
1-2-flowered +
0 cm0 mm <br />0 m <br /> (25 cm250 mm <br />0.25 m <br />) +
showy +  and inconspicuous +
sessile +  and aggregate +
cylindric;obovoid;cylindric;obovoid;globose;lenticular;discoid +
axillary +  and terminal +
reniform +  and linear +
petiolate +, compound +  and simple +
whorled +, opposite +  and alternate +
cauline +  and basal +
parted +  and lobed +
palmate +  and pinnate +
greenish +  and yellow +
distinct +
conspicuous +
linear +  and orbiculate +
reduced +
0.1 cm1 mm <br />0.001 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
4 +  and 250 +
Amer. J. Bot. +
inconspicuous +
crescentic +
not arillate +  and stalked +
white;yellow;white;yellow;purple;sometimes;green +
deciduous +
distinct +
oblong +  and elliptic ovate or lanceolate +
0.1 cm1 mm <br />0.001 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
(5-)10-many +
not bulbous-based +
persistent +
Undefined sect. Kumlienia +
Ranunculus sect. Pseudaphanostemma +
Ranunculus subg. Cyrtorhyncha +
section +
perennial +  and annual +
herbaceous +  and woody +