Chorizanthe polygonoides

Torrey & A. Gray

Proc. Amer. Acad. Arts 8: 197. 1870.

Treatment appears in FNA Volume 5. Treatment on page 466. Mentioned on page 446, 448.

Plants prostrate, 0.1–0.5 × 0.3–2 (–2.5) dm, villous. Leaves basal; petiole 0.5–1 cm; blade oblanceolate to elliptic, 0.3–1 × 0.2–0.3 cm, thinly pubescent. Inflorescences with involucres in small clusters 0.5–1 cm across even at dichotomies, greenish or reddish; bracts 2, petiolate or sessile, similar to proximal leaf-blades, oblanceolate or narrowly elliptic to linear-lanceolate, 0.3–1 cm × 1–3 mm, awns absent. Involucres 1, greenish or reddish, campanulate, 5–6-ribbed, 1.5–2.5 mm, corrugate, thinly pubescent; teeth 5–6, unequal, 3 longer ones 1.5–3 mm, these alternating with 2 or 3 shorter ones 1–2 mm, anterior tooth not leaflike; awns of prominent teeth uncinate and 1.5–3 mm, those of shorter teeth straight and 1–2 mm. Flowers 1, included to slightly exserted; perianth white to rose, cylindric, 1.5–1.8 (–2) mm, densely pubescent abaxially; tepals connate 2/3 their length, monomorphic, oblong, obtuse to truncate or minutely emarginate apically; stamens (6) 9, slightly exserted; filaments distinct, 0.8–1 mm, glabrous; anthers reddish, ovate, 0.2–0.3 mm. Achenes dark-brown to black, 3-gonous, 2–2.5 mm.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Involucres 2-2.5 mm; awns of prominent involucral teeth 1.5-2 mm Chorizanthe polygonoides var. polygonoides
1 Involucres 1.5-2 mm; awns of prominent involucral teeth 2-3 mm Chorizanthe polygonoides var. longispina

"longest" is not a number."/2" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property.

... more about "Chorizanthe polygonoides"
dark-brown;black +
3-gonous +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
James L. Reveal +
Torrey & A. Gray +
alternating +
anterior +
alternate +  and rosulate +
stipelike +
Undefined sect. Acanthogonum +
awn-tipped +  and simple +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
oblanceolate;elliptic +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
sessile +  and petiolate +
deciduous +
distinct +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
glandular +, woolly-floccose +, tomentose +, strigose +, villous +, hirsute +  and pubescent +
narrowly elliptic +  and linear-lanceolate +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
disarticulating +, dichotomous +, branched +  and open +
erect +  and spreading +
just below the soil surface or and above the soil surface +  and spreading +
Calif. +  and nw Mexico +
curved +  and straight +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
white +  and pink or rose maroon or purple or yellow +
included +  and slightly exserted +
decumbent to erect +  and prostrate +
unwinged +  and winged +
black +, red +, brown +  and yellowish +
exserted +  and included +
pubescent +  and glabrous +
spheroidal +, 4-gonous +, lenticular +, biconvex +, discoid +, 3-gonous +  and 2-gonous +
uniparous +, capitate +  and cymose +
reddish;greenish +
cymelike +, paniclelike +, racemelike +  and spikelike +
connate +  and free +
reddish +  and greenish +
campanulate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
nonmembranous +
oblanceolate +  and elliptic or round +
in whorls +, opposite +, alternate +  and rosulate +
deciduous +  and persistent +
bractlike +
pubescent +  and glabrous +
lobed +, undulate +, crisped +, crenulate +  and entire +
scarious +  and membranous +
not swollen +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
orthotropous +
accrescent +
curved +  and straight +
erect to deflexed +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
cylindric +
accrescent +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
fleshy +, indurate +  and membranous +
with extrafloral nectaries +  and not articulate +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
homostylous +  and 3-carpellate +
Proc. Amer. Acad. Arts +
, +  and solid +
slender;stout +
not disarticulating +
decumbent to erect +  and prostrate +
prostrate +  and erect +
penicillate +, fimbriate +  and capitate +
deciduous +  and persistent +
2-lobed +  and cylindric +
coriaceous +  and membranous +
consisting of a series +  and tubular +
distinct +
erect;spreading +
spreading;erect +
Chorizanthe sect. Chorizanthella +
chambered +, , +  and solid +
slender +  and stout +
Chorizanthe polygonoides +
Chorizanthe sect. Acanthogonum +
species +
emarginate +  and truncate +
obtuse +  and oblong +
coriaceous +
alternating +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
shallow +
erect +  and spreading +
unequal +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
persistent +
membranous +
pubescent +  and glabrous +
prostrate;spreading or erect +
3 +, 2 +  and 1 +