Difference between revisions of "Crocanthemum rosmarinifolium"

(Pursh) Janchen

in H. G. A. Engler et al., Nat. Pflanzenfam. ed. 2, 21: 307. 1925.

Common names: Rosemary frostweed
Basionym: Helianthemum rosmarinifolium Pursh Fl. Amer. Sept. 2: 364. 1813
Synonyms: Crocanthemum domingense (Urban) Janchen C. stenophyllum (Urban) Janchen
Treatment appears in FNA Volume 6. Treatment on page 407. Mentioned on page 401.
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|accepted_name=Crocanthemum rosmarinifolium
 
|accepted_name=Crocanthemum rosmarinifolium
|accepted_authority=(Pursh) Janchen in H. G. A. Engler et al.
+
|accepted_authority=(Pursh) Janchen
 
|publications={{Treatment/Publication
 
|publications={{Treatment/Publication
 
|title=in H. G. A. Engler et al., Nat. Pflanzenfam. ed.
 
|title=in H. G. A. Engler et al., Nat. Pflanzenfam. ed.
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|common_names=Rosemary frostweed
 
|common_names=Rosemary frostweed
|basionyms={{Treatment/ID/Synonym
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|basionyms={{Treatment/ID/Basionym
 
|name=Helianthemum rosmarinifolium
 
|name=Helianthemum rosmarinifolium
 
|authority=Pursh
 
|authority=Pursh
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|rank=species
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|publication_title=Fl. Amer. Sept.
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|publication_place=2: 364. 1813
 
}}
 
}}
 
|synonyms={{Treatment/ID/Synonym
 
|synonyms={{Treatment/ID/Synonym
 
|name=Crocanthemum domingense
 
|name=Crocanthemum domingense
 
|authority=(Urban) Janchen
 
|authority=(Urban) Janchen
}}{{Treatment/ID/Synonym
+
|rank=species
 +
}} {{Treatment/ID/Synonym
 
|name=C. stenophyllum
 
|name=C. stenophyllum
 
|authority=(Urban) Janchen
 
|authority=(Urban) Janchen
 +
|rank=species
 
}}
 
}}
 
|hierarchy=Cistaceae;Crocanthemum;Crocanthemum rosmarinifolium
 
|hierarchy=Cistaceae;Crocanthemum;Crocanthemum rosmarinifolium
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|elevation=0–200 m
 
|elevation=0–200 m
 
|distribution=Ala.;Ark.;Fla.;Ga.;La.;Miss.;N.C.;Okla.;S.C.;Tex.;West Indies (Dominican Republic).
 
|distribution=Ala.;Ark.;Fla.;Ga.;La.;Miss.;N.C.;Okla.;S.C.;Tex.;West Indies (Dominican Republic).
|discussion=<p>Crocanthemum rosmarinifolium is easily distinguished from sympatric species by its slender leaves, relatively small petaliferous flowers, occasional basal leaves, and overall pale color. As noted by R. M. Harper over a century ago, it seems not to occupy natural habitats and is found primarily on roadsides. Populations in the Dominican Republic occur up to at least 2200 m.</p>
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|discussion=<p><i>Crocanthemum rosmarinifolium</i> is easily distinguished from sympatric species by its slender leaves, relatively small petaliferous flowers, occasional basal leaves, and overall pale color. As noted by R. M. Harper over a century ago, it seems not to occupy natural habitats and is found primarily on roadsides. Populations in the Dominican Republic occur up to at least 2200 m.</p>
 
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name=Crocanthemum rosmarinifolium
 
name=Crocanthemum rosmarinifolium
|author=
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|authority=(Pursh) Janchen
|authority=(Pursh) Janchen in H. G. A. Engler et al.
 
 
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|rank=species
 
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|publication year=1925
 
|publication year=1925
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V6/V6_770.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V6/V6_770.xml
 
|genus=Crocanthemum
 
|genus=Crocanthemum
 
|species=Crocanthemum rosmarinifolium
 
|species=Crocanthemum rosmarinifolium

Latest revision as of 22:23, 5 November 2020

Herbs. Stems ascending to erect, (13–)20–40(–51) cm, stellate-tomentose. Leaves cauline and, sometimes, basal basal mat-forming; petiole 1–3 mm; blade obovate, 10–22 × 3–5 mm; cauline: petiole 1–4 mm; blade oblanceolate to narrowly lanceolate, 10–38(–48) × 2–5.5(–7.8) mm, margins revolute; surfaces stellate-tomentose abaxially, stellate-pubescent adaxially, without simple hairs; lateral veins obscure abaxially. Inflorescences axillary and terminal, solitary flowers or glomerules; chasmogamous flowers solitary, at tips of branches, overtopping cleistogamous, cleistogamous 2–7 per glomerule, flowering 1–3 months later than chasmogamous. Pedicels 10–22 mm; bracts 3–7 × 0.5–1 mm. Chasmogamous flowers: outer sepals linear, 1.2–2.5 × 0.2 mm, inner sepals 2.5–4.3 × 1.3–2 mm, apex acute; petals obovate, 4–6 × 3.5–5 mm; capsules 2–3 × 1.4–1.8 mm, glabrous. Cleistogamous flowers: outer sepals linear, 0.5–1 × 0.2 mm, inner sepals ovate, 1.5–1.8 × 1–1.5 mm, apex acute; capsules 1.3–1.7 × 1–1.3 mm, glabrous.


Phenology: Flowering May–Jul.
Habitat: Dry, sandy roadsides, openings in pine and pine-oak woodlands, disturbed soil of clearings and fields
Elevation: 0–200 m

Distribution

V6 770-distribution-map.jpg

Ala., Ark., Fla., Ga., La., Miss., N.C., Okla., S.C., Tex., West Indies (Dominican Republic).

Discussion

Crocanthemum rosmarinifolium is easily distinguished from sympatric species by its slender leaves, relatively small petaliferous flowers, occasional basal leaves, and overall pale color. As noted by R. M. Harper over a century ago, it seems not to occupy natural habitats and is found primarily on roadsides. Populations in the Dominican Republic occur up to at least 2200 m.

Selected References

None.

Lower Taxa

None.
Bruce A. Sorrie +
(Pursh) Janchen +
Helianthemum rosmarinifolium +
Rosemary frostweed +
Ala. +, Ark. +, Fla. +, Ga. +, La. +, Miss. +, N.C. +, Okla. +, S.C. +, Tex. +  and West Indies (Dominican Republic). +
0–200 m +
Dry, sandy roadsides, openings in pine and pine-oak woodlands, disturbed soil of clearings and fields +
Flowering May–Jul. +
in H. G. A. Engler et al., Nat. Pflanzenfam. ed. +
Crocanthemum domingense +  and C. stenophyllum +
Crocanthemum rosmarinifolium +
Crocanthemum +
species +