Difference between revisions of "Crataegus ignava"

Beadle

Biltmore Bot. Stud. 1: 31. 1901.

EndemicIllustrated
Synonyms: Crataegus alleghaniensis var. ignava (Beadle) Lance
Treatment appears in FNA Volume 9. Treatment on page 616. Mentioned on page 611, 612.
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|publication year=1901
 
|publication year=1901
 
|special status=Endemic;Illustrated
 
|special status=Endemic;Illustrated
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V9/V9_1057.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V9/V9_1057.xml
 
|subfamily=Rosaceae subfam. Amygdaloideae
 
|subfamily=Rosaceae subfam. Amygdaloideae
 
|tribe=Rosaceae tribe Gillenieae
 
|tribe=Rosaceae tribe Gillenieae

Latest revision as of 23:53, 5 November 2020

Shrubs, 20–40(–50) dm. Stems: twigs ± flexuous, new growth reddish green, glabrous, 1-year old tan to shiny chestnut, older ± dark gray, often reddish tinged; thorns on twigs ± numerous, straight, 1–2-years old black, ± fine, 2–3 cm (3–5 cm at 2-years old). Leaves: petiole length 30–40% blade, glabrous, sessile-glandular, glands black; blade ± ovate or ovate-rhombic, 2.5–3.5 cm, coriaceous, base broadly cuneate or ± rounded, lobes 2 or 3 per side, sinuses moderately deep, lobe apex acute, margins obscurely crenate-serrate, teeth gland-dotted, veins 4 or 5 per side, apex acute, abaxial surface glabrous, adaxial sparsely pilose young, soon glabrescent. Inflorescences 2–5-flowered; branches glabrous; bracteoles mainly persistent through petal-fall, numerous, linear, herbaceous to membranous, margins usually stipitate-glandular. Flowers 15 mm diam.; hypanthium glabrous; sepals narrowly triangular, 6 mm, margins glandular-serrate, abaxially glabrous; stamens 20, anthers pale pink, sometimes pale purple; styles 3–5. Pomes orange-red, suborbicular, 10–17 mm diam., glabrous; sepals spreading-recurved; pyrenes 3–5.


Phenology: Flowering Apr; fruiting Sep–Oct.
Habitat: Brush, rocky hills
Elevation: 50–200 m

Discussion

Crataegus ignava is locally common in east-central Alabama and north-central and central Georgia; it is one of the more distinct species in the series with its often rhombic-ovate, quite deeply lobed leaves and large orange-red fruit.

Selected References

None.

Lower Taxa

None.