Herbarium Sheet Detail
NTBG Plant Name:
Pittosporum halophilum
Collector Name:
K. R. Wood
Collection Date:
June 7, 2002
Island Group:
HAWAIIAN ISLANDS
Locality:
MOLOKAI: Okala, off-shore islet near Kalaupapa.
Plant Description:
shrub, 1.75 m tall, 7 cm diameter at base, stems gray-brown, leaves clustered at branch tips, shiny dark green above, underside densely golden to silver strigose, tomentose, seed collection, upper of two [tag #1],
Habitat:
Osteomeles anthyllidifolia, Wikestroemia uva-ursi, Chamaesyce celastroides var. amplectens, and Senna gaudichaudii shrubland.
Associated Species:
Associated with Artemisia australis, Melanthera integrifolia, Bidens molokaiensis, Schiedea globosa, Chenopodium oahuense, Diospyros sandwicensis, Scaevola coriacea, Scaevola taccada.
Comments:
***SEED COLLECTION K. R. Wood Accession Data NTBG
Project: GSN
Date: 7 Jun 2002
Island: Molokai
Origin: Okala, off-shore islet near Kalaupapa
Elevation: 70 ft
GPS [UTM]: 714692-2343070
Species Name: Pittosporum halophilum
Collector #: K. R. Wood 9829
Co-Collector: M. LeGrande
Individual Tag: upper tree [#1]
Photo: yes
Seed/Cuttings/Other: seed
Recommendation: Propagate: 5 Store: remainder Distribute: upon request
Description of Plant: shrub, 1.75 m tall, 7 cm diameter at base, stems gray-brown, leaves clustered at branch tips, shiny dark green above, underside densely golden to silver strigose, tomentose,
Flowers: none observed
Plant/Animal Interaction: none observed
Substrate: course granular brown soil with basalt talus
Aspect: 250? W
Slope: 30?
Closure: open to light ca. 70 % of the day
Moisture: mesic
Topography: mid-slope
Phenology: in fruit
Vigor: normal
Frequency: two
Population Structure: Mature: 2 Immature: 0 Seedling: 0
Population Area: 20,000 sq meters
Natural Community: Osteomeles anthyllidifolia, Wikestroemia uva-ursi, Chamaesyce celastroides var. amplectens, and Senna gaudichaudii shrubland
Associates: Artemisia australis, Melanthera integrifolia, Bidens molokaiensis, Schiedea globosa, Chenopodium oahuense, Diospyros sandwicensis, Scaevola coriacea, Scaevola taccada, Plectranthus parviflorus, Cassytha filiformis, Lythrum maritimum, Sida fallax, Cocculus orbiculatus, Peperomia tetraphylla, Pittosporum halophilum, Portulaca lutea, Waltheria indica, Nesoluma polynesicum, Carex meyenii, Cyperus phleoides var. phleoides, Dianella sandwicensis, Eragrostis variabilis, Doryopteris decipiens
Major Threats: The main threats to this ecosystem include competition with non-native plant taxa primarily Schinus terebinthifolius, Bidens pilosa, Conyza bonariensis, Emilia fosbergii, Pluchea carolinensis, Tridax procumbens, Kalanchoë pinnata, Abutilon grandifolium, Psidium guajava, Syzygium cumini, Oxalis corniculata, Portulaca oleracea, Morinda citrifolia, Lantana camara, Stachytarpheta australis, Cynodon dactylon, Digitaria insularis, Turnera ulmifolia Digitaria setigera, Melinis minutiflora, Melinis repens, and Phymatosorus grossus, possible land slides, possible rat presence, and the loss of reproductive vigor as the result of limited numbers of existing individuals.
Date of Record Creation:
June 30, 2016
Date of Last Update:
March 23, 2023
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