Difference between revisions of "Croton pottsii"

(Klotzsch) Müller Arg.

in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 15(2): 561. 1866.

Common names: Leatherweed
Basionym: Lasiogyne pottsii Klotzsch in B. Seemann, Bot. Voy. Herald, 278. 1853
Treatment appears in FNA Volume 12. Treatment on page 221. Mentioned on page 209.
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{{Treatment/ID
 
{{Treatment/ID
 
|accepted_name=Croton pottsii
 
|accepted_name=Croton pottsii
|accepted_authority=(Klotzsch) Müller Arg. in A. P. de Candolle and A. L. P. P. de Candolle
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|accepted_authority=(Klotzsch) Müller Arg.
 
|publications={{Treatment/Publication
 
|publications={{Treatment/Publication
|title=Prodr.
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|title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr.
 
|place=15(2): 561. 1866
 
|place=15(2): 561. 1866
 
|year=1866
 
|year=1866
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|basionyms={{Treatment/ID/Basionym
 
|basionyms={{Treatment/ID/Basionym
 
|name=Lasiogyne pottsii
 
|name=Lasiogyne pottsii
|authority=Klotzsch in B. Seemann
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|authority=Klotzsch
 
|rank=species
 
|rank=species
|publication_title=Bot. Voy. Herald,
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|publication_title=in B. Seemann, Bot. Voy. Herald,
 
|publication_place=278. 1853
 
|publication_place=278. 1853
 
}}
 
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Croton pottsii
 
name=Croton pottsii
|authority=(Klotzsch) Müller Arg. in A. P. de Candolle and A. L. P. P. de Candolle
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|authority=(Klotzsch) Müller Arg.
 
|rank=species
 
|rank=species
 
|parent rank=genus
 
|parent rank=genus
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|distribution=Ariz.;N.Mex.;Tex.;n;c Mexico.
 
|distribution=Ariz.;N.Mex.;Tex.;n;c Mexico.
 
|reference=None
 
|reference=None
|publication title=Prodr.
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|publication title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr.
 
|publication year=1866
 
|publication year=1866
 
|special status=
 
|special status=
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|genus=Croton
 
|genus=Croton
 
|species=Croton pottsii
 
|species=Croton pottsii
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[[Category:Treatment]]
 
[[Category:Treatment]]
 
[[Category:Croton]]
 
[[Category:Croton]]
[[Category:Revision Pending]]
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[[Category:Revised Since Print]]

Latest revision as of 18:12, 6 November 2020

Herbs, perennial, 1–6 dm, monoecious or dioecious. Stems several from base, sparsely branched distally, stellate-hairy. Leaves sometimes clustered near inflorescences; stipules rudimentary; petiole 0.5–2 cm, glands absent at apex; blade ovate-oblong, proximal rounder, distal more ovate-elliptic, 1–6 × 1–3 cm, base rounded, margins entire, apex rounded to acute, both surfaces pale to ashy green, softly stellate-hairy. Inflorescences bisexual or unisexual, racemes, 0.5–2.5 cm, staminate and pistillate flowers each (12–)20–25. Pedicels: staminate 1.5–6 mm, pistillate 1–3.5 mm, ± recurved in fruit. Staminate flowers: sepals (4–)5, 1–1.5 mm, abaxial surface densely stellate-hairy; petals (4–)5, oblong-lanceolate, 1–1.3 mm, abaxial surface glabrous except margins villous; stamens 10–15. Pistillate flowers: sepals 5, equal, 1.5–3 mm, margins entire, apex straight to slightly incurved, abaxial surface glabrous except stellate-hairy at apex; petals 0; ovary 3-locular; styles 3, 0.5–4.5 mm, 2-fid to base, terminal segments 6. Capsules 4–6(–7) × 4–5 mm, smooth; columella apex with 3 sharp projections. Seeds 3.5–4 × 2–2.5 mm, shiny. 2n = 20.

Distribution

V12 898-distribution-map.jpg

Ariz., N.Mex., Tex., n, c Mexico.

Discussion

Varieties 2 (2 in the flora).

The affinities of Croton pottsii lie with C. lindheimerianus and C. monanthogynus.

Selected References

None.

Key

1 Stems straight; erect radii of stellate hairs shorter than lateral radii, thus pubescence appearing appressed and smooth; leaf blades 1.6–6 cm; racemes mostly 1.1–2.5 cm; styles 1.1–4.5 mm; capsules 4–6(–7) mm. Croton pottsii var. pottsii
1 Stems somewhat zigzag; erect radii of stellate hairs longer than lateral radii, thus pubescence appearing ± shaggy; leaf blades usually 1–1.4 cm; racemes mostly 0.5–0.9 cm; styles usually 0.5–1 mm; capsules 4 mm. Croton pottsii var. thermophilus