Stylocline intertexta
Stylocline gnaphaloides
Mojave neststraw, Morefield neststraw, Morefield's neststraw, tangle nest straw
everlasting neststraw, everlasting stylocline, mountain neststraw
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).
mostly blunt, not or scarcely mucronate, longest 6–14 mm;
largest capitular leaves spatulate to ± elliptic or oblong, 4–13 × 1.5–3 mm.
cylindric, 1.4–2.7 mm, heights 4–7 times diams.;
scars ± evenly distributed, mamillate.
narrowly cylindric, 1.3–2.2 mm, heights 5–8 times diams.;
scars ± evenly distributed, slightly sunken.
0, vestigial, or falling, ± subulate, mostly 0.1–0.5 mm, unequal.
± persistent, ± ovate, 1–3.5 mm, subequal.
in ± paniculiform to cymiform, rarely dichasiform, arrays, ± spheric, largest 5–6 mm, thickly lanuginose.
in dichasiform or proximally ± racemiform arrays, ± spheric, largest 3–6 mm, arachnoid to thinly lanuginose (often shiny, appearing nearly glabrous, indument obscured by palea wings).
1–1.4 mm, obcompressed;
pappi: staminate rarely 0, usually of 1–4(–8) smooth to barbellulate bristles 1.1–2 mm.
0.8–1 mm, compressed;
pappi: staminate of 1–5(–6) smooth to barbellulate bristles 1.3–1.9 mm.
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.
paleae: longest 1.8–4.5 mm, winged proximally and distally;
wings broadly ovate (bases rounded or cordate), widest in proximal 1/3 of palea lengths;
bodies (except midnerves) chartaceous;
outermost paleae ± saccate.
staminate florets 3–6;
ovaries vestigial, 0–0.3 mm;
corollas 1.1–2.3 mm.
staminate florets 2–5;
ovaries vestigial, 0–0.2 mm;
corollas 1–1.8 mm.
= 28.
Stylocline intertexta
Stylocline gnaphaloides
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.)
Stylocline gnaphaloides (often misspelled “gnaphalioides”) is relatively common in southwestern California, extending to the nearer Channel Islands, the San Francisco Bay area, and most of Baja California; it is not known from the Colorado River valley; it occurs in (mainly) disturbed areas of south-central Arizona and adjacent Sonora, Mexico. A specimen from Zion National Park, Utah, in 1937 is likely either mislabeled or from an introduction that did not persist.
Forms with larger, often hairier heads (Stylocline gnaphaloides var. bigelovii A. Gray, S. arizonica Coville) are more frequent inland but also occur (with intermediates) on the California Channel Islands and elsewhere; no taxonomic segregation seems warranted. Sterile hybrids with Logfia filaginoides do not much resemble S. citroleum, which is suspected to have originated from such parentage (J. D. Morefield 1992, 1992b). Sterile hybrids between S. gnaphaloides and L. arizonica superficially resemble S. psilocarphoides.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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