Difference between revisions of "Crataegus craytonii"

Beadle

Biltmore Bot. Stud. 1: 121. 1902.

Common names: Crayton hawthorn
Conservation concernEndemic
Treatment appears in FNA Volume 9. Treatment on page 592. Mentioned on page 586.
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name=Crataegus craytonii
 
name=Crataegus craytonii
|author=
 
 
|authority=Beadle
 
|authority=Beadle
 
|rank=species
 
|rank=species
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|publication year=1902
 
|publication year=1902
 
|special status=Conservation concern;Endemic
 
|special status=Conservation concern;Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V9/V9_1012.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V9/V9_1012.xml
 
|subfamily=Rosaceae subfam. Amygdaloideae
 
|subfamily=Rosaceae subfam. Amygdaloideae
 
|tribe=Rosaceae tribe Gillenieae
 
|tribe=Rosaceae tribe Gillenieae

Latest revision as of 22:53, 5 November 2020

Shrubs, 20–30 dm. Stems: twigs: new growth reddish green, densely hairy, 1–2-years old dark gray-brown, older gray; thorns on twigs ± straight, 2-years old blackish, very slender, 2–3 cm. Leaves: petiole 1–2 mm wide, length 25–40% blade, winged distally, pubescent, glandular; blade ovate to broadly elliptic, 4–8 cm, base cuneate to truncate (suddenly narrowed to petiole), lobes 3 or 4 per side often obscure, sinuses sometimes quite deep, lobe apex acute, margins strongly serrate, teeth gland-tipped, veins 5 per side, apex acute, surfaces rough-hairy. Inflorescences 3–7-flowered; branches pubescent; bracteole margins stipitate-glandular. Pedicels pubescent. Flowers 20 mm diam.; hypanthium densely pubescent; sepals 7 mm, margins glandular-pectinate to glandular-serrate, abaxially pubescent; stamens 20, anthers pale yellow or cream; styles 3–5. Pomes red to ruddy, broadly ellipsoid, 7–10 mm diam., pubescent; sepals on collar, ± reflexed; pyrenes 3–5.


Phenology: Flowering Apr; fruiting Sep–Oct.
Habitat: Wooded areas
Elevation: 100–300 m

Discussion

Of conservation concern.

Crataegus craytonii is a rare shrub from a few scattered localities. The species resembles C. biltmoreana in its hairiness but has usually larger, differently shaped leaves, 20 stamens, and red to ruddy pomes.

Selected References

None.

Lower Taxa

None.
... more about "Crataegus craytonii"
James B. Phipps +
Beadle +
Intricatae +
Crayton hawthorn +
Ala. +, Ga. +, N.C. +  and Va. +
100–300 m +
Wooded areas +
Flowering Apr +  and fruiting Sep–Oct. +
Biltmore Bot. Stud. +
Conservation concern +  and Endemic +
Crataegus sect. Flavae +  and Crataegus ser. +
Crataegus craytonii +
Crataegus (sect. Coccineae) ser. Intricatae +
species +