Abstract
During grass surveys across the islands of Hawai‘i in 2022, two novel hybrids among non-native Poaceae were found growing on roadsides. Spontaneous hybridization was observed among Chloris barbata and C. divaricata on O‘ahu and among Cenchrus clandestinus and C. setaceus on Hawai‘i island. Morphological evidence initially suggested these plants may be hybrids and molecular analysis using the ITS and rpl32-trnL regions confirmed that the plants are hybrids and identified their parentage. These hybrids are named Chloris × pseudosagrana nothosp. nov. and Cenchrus × peregrinus nothosp. nov. No developed seeds could be found on either of these hybrids and they are suspected to be sterile F1 hybrids. The occurrence of hybridization events among other non-native species are also discussed.
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Claims 8
Claim · model-written summary
A Chloris barbata × C. divaricata hybrid was found on O‘ahu.
- Taxon
- Chloris barbata and C. divaricata
Chloris barbata
Chloris divaricatae0 - Outcome
- Spontaneous hybridizatione0
- Setting
- O‘ahue0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Spontaneous hybridization was observed among Chloris barbata and C. divaricata on O‘ahu”
Claim · model-written summary
A Cenchrus clandestinus × C. setaceus hybrid was found on Hawai‘i island.
- Taxon
- Cenchrus clandestinus and C. setaceus
Cenchrus setaceus_Morrone_(AM_AK303603-1).jpg?width=60)
Cenchrus clandestinuse0 - Outcome
- among Cenchrus clandestinus and C. setaceuse0
- Setting
- Hawai‘i islande0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Morrone_(AM_AK303603-1).jpg?width=500)
Verbatim
e0“among Cenchrus clandestinus and C. setaceus on Hawai‘i island”
Claim · model-written summary
ITS and rpl32-trnL analysis confirmed the plants were hybrids and identified parentage.
- Taxon
- invasive Poaceaet0
- Outcome
- confirmed that the plants are hybrids and identified their parentagee0
Not reportedComparatorValue
Verbatim
e0“molecular analysis using the ITS and rpl32-trnL regions confirmed that the plants are hybrids and identified their parentage.”
t0“invasive Poaceae”
Claim · model-written summary
The Chloris hybrid was named Chloris × pseudosagrana.
Verbatim
e0“These hybrids are named Chloris × pseudosagrana nothosp. nov. and Cenchrus × peregrinus nothosp. nov.”
Claim · model-written summary
The Cenchrus hybrid was named Cenchrus × peregrinus.
Verbatim
e0“These hybrids are named Chloris × pseudosagrana nothosp. nov. and Cenchrus × peregrinus nothosp. nov.”
Claim · model-written summary
No developed seeds were found on the Chloris hybrid.
Verbatim
e0“No developed seeds could be found on either of these hybrids”
t0“Chloris × pseudosagrana”
Claim · model-written summary
No developed seeds were found on the Cenchrus hybrid.
Verbatim
e0“No developed seeds could be found on either of these hybrids”
t0“Cenchrus × peregrinus”
Claim · model-written summary
The two hybrids were suspected to be sterile F1 hybrids.
Verbatim
e0“they are suspected to be sterile F1 hybrids.”
t0“invasive Poaceae”