Details for: NA 87309, Chrysanthemum hybr., (hybrid)


Summary Data
Taxonomy:
Chrysanthemum hybr.
Top Name:
(hybrid)
Origin:
–
Maintained:
National Arboretum
Received by NPGS:
21 Jun 2023
Improvement Status:
Cultivated material
Form Received:
Seedling
Life Form:
Perennial
Availability
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Core Passport Data
Taxonomy:
Chrysanthemum hybr.
Top Name:
(hybrid)
Origin:
–
Maintained:
National Arboretum
Received by NPGS:
21 Jun 2023
Improvement Status:
Cultivated material
Form Received:
Seedling
Life Form:
Perennial
Source History
Accession Names and Identifiers
(hybrid)
Type: Other or unclassified name

NA 87309
Type: Site identifier
Group: NA
U.S. National Arboretum

Narrative
Full name as recorded at U.S. National Arboretum: Chrysanthemum (hybrid). Previously thought to be C. indicum NA 62691 through most of 2022, but do not closely resemble any of our wild-collected C. indicum, as they have larger, later flowers and thicker leaves with generally more abaxial indumentum. Later it was discovered that where 62691-H was labeled and mapped, there had actually been 58300-L (C. japonense) recorded around the year 2000, and this seems to be what we have now. Of the two remaining qualifiers that were probably hybrids of this species and not C. indicum, 87309-J has sharper teeth, thinner foliage with less indumentum, and smaller, earlier flowers--although they are still significantly later and larger than C. indicum. Probable hybrids, and various other Chrysanthemum taxa have been grown in the vicinity (C. x morifolium, C. pacificum, C. indicum), so it may be difficult to be sure of the background. These hybrids bear some resemblance to C. x marginatum, which may or may not be superficial. Qualifiers 87309-J and 87309-L are growing nearly adjacent in masses, with J being roughly between a Picea omorika and the road, and with L growing behind J and in front of a clump of Asimina triloba at the time of accessioning. Initial qualifier H was determined to likely be 58300-L, C. japonense, and the others are possibly its outcrossed offspring. Qualifier J (formerly part of 62691-J) has flower heads 11/16" to 3/4" across, with a slight sweet, spicy scent; its ray floret color has faded by time of observation, but either white or pinkish; it is found mostly on the south side of a Picea omorika at accessioning. Qualifier L (also formerly part of the group treated as 62691-J, but split due to evident differences) has flower heads about 1" across with yellowish-white ray florets that age to light pink; it has a fairly resinous/non-sweet mum floral scent. Qualifier L is growing south of the Asimina triloba at the time of accessioning. -SBL
Chrysanthemum hybr.
Genus:
Chrysanthemum
Family:
Asteraceae (alt. Compositae)
Subfamily:
Asteroideae
Tribe:
Anthemideae
Subtribe:
Artemisiinae
Nomen number:

317499
Comment:
interim designation used in GRIN for Chrysanthemum hybrids which lack an acceptable binomial
Verified:
07/22/1992 by ARS Systematic Botanists.
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