Flora of North America species comparison

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Stylocline intertexta

Mojave neststraw, Morefield neststraw, Morefield's neststraw, tangle nest straw
Habit Plants 2–8(–11) cm.
Leaves

acute, mucronate, longest 6–15 mm;

largest capitular leaves (all) ± elliptic to ± oblanceolate (widest in distal 2/3), 4–11 × 1–2.5 mm (distalmost mainly 0.8–1.2 times head heights).
Receptacles

cylindric, 1.4–2.7 mm, heights 4–7 times diams.;

scars ± evenly distributed, mamillate.
Phyllaries

0, vestigial, or falling, ± subulate, mostly 0.1–0.5 mm, unequal.
Heads

in ± paniculiform to cymiform, rarely dichasiform, arrays, ± spheric, largest 5–6 mm, thickly lanuginose.
Cypselae

1–1.4 mm, obcompressed;

pappi: staminate rarely 0, usually of 1–4(–8) smooth to barbellulate bristles 1.1–2 mm.
Pistillate

paleae: longest 3.4–4.2 mm, winged distally;

wings elliptic to ovate, widest in distal 1/3 of palea lengths;

bodies cartilaginous;

outermost paleae ± saccate.
Functionally

staminate florets 3–6;

ovaries vestigial, 0–0.3 mm;

corollas 1.1–2.3 mm.

Stylocline intertexta
Phenology Flowering and fruiting Feb–May.
Habitat Open, stable, often calcareous desert gravels, sands, often with extra moisture (rock bases, shrub drip lines, dry drainages, depressions)
Elevation 40–1400 m (100–4600 ft)
Distribution
from FNA
AZ; CA; NV; UT
[BONAP county map]
Discussion

Stylocline intertexta is known from the Mojave and northwestern Sonoran deserts. It combines character states of S. micropoides and S. psilocarphoides, is often sympatric with both, and appears to be stable, uniform, and reproducing independently. Stylocline intertexta shares most character states with S. micropoides. Presence of some subulate to lanceolate capitular leaves in S. micropoides helps distinguish the species in the field.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 19, p. 453.
Parent taxa Asteraceae > tribe Gnaphalieae > Stylocline
Sibling taxa
S. citroleum, S. gnaphaloides, S. masonii, S. micropoides, S. psilocarphoides, S. sonorensis
Name authority Morefield: Madroño 39: 121, fig. 3. (1992)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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