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Korthalsella platycaula

(Tiegh.) Engl. (1897)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Santalopsida Order: Santalales Family: Santalaceae Genus: Korthalsella

hulumoa, kaumahana

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Description

Key Characters:

Growth Form: Brittle, hemiparasitic, producing haustoria that penetrate the host.

Stems: Stems 1.5–5 dm long, many-branched, a central stem usually not obvious past the first internode, all stems of similar width, arising obliquely or decussately, stems cylindrical for 1(2) internodes, otherwise flattened throughout, second internode cylindrical or somewhat flattened, 17–40 (–60) mm long, 3–5(–7) mm wide, other internodes usually 20–40 mm long, 1.5–5 mm wide, usually 1–3–nerved, the nerves often indistinct, uppermost internodes usually only 8–20 mm long, 1.5–3 mm wide.

Roots:

Leaves: Leaves simple Opposite and distichous. strongly reduced Stipules absent.

Flowers: Flowers confined to the axils, but enlarging enough that those of adjacent axils nearly touch. Flowers unisexual, minute, actinomorphic. Calyx (sepals) absent. Corolla or pistillate flowers 3-lobed, the lobes short, triangular, valvate. Staminate flowers globose in bud, later with 3 triangular segments, Stamens connate into a globose synandrium, 6 celled; anthers opening by slits toward the center of the synandrium. Pollen ultimately pouring out from a single central, apical pore. Ovary inferior (pistillate flowers), clavate or pear–shaped in bud, 3–4-carpellate, 1-celled; style terminal; stigma nipple–shaped, the embryo sacs first growing downward, then curving upward in the ovary wall, eventually U–shaped.

Fruit: Berries with persistent corolla; fleshy; glossy. Seeds 1 per fruit; flattened in the upper portion; seed coat absent; endosperm starchy; chlorophyllose.

Ploidy:

Habitat: Diverse mesic forest.

Elevation Range: 300–1,220 m.

Historical Distribution

Images

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Uses and Culture

USES

Natural History

Statewide Status

Indigenous

Island Status

Kaua'i Indigenous
O'ahu Indigenous
Lana'i Extirpated
Maui Indigenous

Dispersal Agents


Pollinators

Bibliography

Name Published In: H.G.A.Engler & K.A.E.Prantl, Nat. Pflanzenfam., Nachtr. 1: 138 (1897)

Other References

Wagner et al. 1990:1340 (K, O, L, EM); Molvray 1997:270 (Syn. K. platycaula = K. taenioides f. taenioides, status change from end to ind); Herbst & Wagner 1999:32 (recommend against adopting Molvray 1997 pending further evaluation); Hank Oppenheimer pers. obs./Degener 28532 BISH (L†, 1963)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Korthalsella platycaula Milolii Ridge, Waimea moist woods Preserved_Specimen St.John, H. 13736 Kauai BISH 1933-12-27
2 Korthalsella platycaula Milolii Trail near Kokee end on Elaeocarpus in dense forest Preserved_Specimen Degener, O. 12659 Kauai BISH 1940-01-03
3 Korthalsella platycaula Kokee, Awaawapuhi Trail, ~1.5 mi from start Koa, Metrosideros Preserved_Specimen Sohmer, S.H. 6519 Kauai BISH 1970-07-17
4 Korthalsella platycaula Kukuiula, Mokuleia, Waianae Range. (Near forest trail #20a). Near my quadrat #3 Exceedingly abundant in two trees of Sapindus oahuensis in relict forest on slopes of small gulch. Preserved_Specimen Hatheway, W.H. 173 Oahu BISH 1950-08-12
5 Korthalsella platycaula Waimea, Alakai Swamp along Kohua ridge wet ohia forest; on exposed ridge; with treefern and native shrub understory Preserved_Specimen Higashino, P.K. 9688 Kauai BISH 1981-05-16
6 Korthalsella platycaula Ekahanui. Central Waianae Mountains. Epiphytic and parasitic on Planchonella sandwicensis in mesic forest. Area dominated by Planchonella, Dispyros, Elaeocarpus, Ceodes, and Rockia. Preserved_Specimen Thomas, M.K. 546 Oahu BISH 2022-11-15
7 Korthalsella platycaula Alakai Swamp; along Alakai Swamp Trail; past 2nd bog On Elaeocarpus. Preserved_Specimen Stone, B.C. 1531 Kauai BISH 1956-12-27
8 Korthalsella platycaula Haupu, Kipu on Osmanthus; steep wooded slope Preserved_Specimen St.John, H. 13622 Kauai BISH 1933-12-25
9 Korthalsella platycaula Kokee on Ilex Preserved_Specimen Herbst, D.R. 1007 Kauai BISH 1968-03-30
10 Korthalsella platycaula West side of Pohakea Pass On Planchonella. Preserved_Specimen Degener, O. 8877 Oahu BISH 1932-07-31
11 Korthalsella platycaula Hoalulu stream, Hanakapiai on Bobea Preserved_Specimen St.John, H. 13865 Kauai BISH 1933-12-30
12 Korthalsella platycaula Waininiua Trail, Kokee State Park Parasite on Elaeocarpus bifidus tree. Preserved_Specimen Herbst, D.R. 1064 Kauai BISH 1968-04-18
13 Korthalsella platycaula Trail N of Kokee on Osmanthus sandwicensis Preserved_Specimen Alexander, A.M. 5265 Kauai BISH 1947-03-14
14 Korthalsella platycaula Na Pali-Kona Forest Reserve . Jeep Rd. just S of Alakai Swamp Trail Moist woods Preserved_Specimen Crosby, M.R. 1990 Kauai BISH 1964-08-12
15 Korthalsella platycaula Waianae Mountains, Makaha, Kamaili section Sapindus heavily parasitised. Preserved_Specimen Lau, J. 2798 Oahu BISH 1986-10-08
16 Korthalsella platycaula Na Pali Coast w. branch of Hanakoa Valley dry rocky ridge Preserved_Specimen St.John, H. 23198 Kauai BISH 1947-12-31
17 Korthalsella platycaula Along Tramrail Trail, Haleanau Gulch, Schofield Barracks Military Reservation, West Range, Waianae Mt. Range Vegetation: Athyrium, Acacia koa, Gouldia, Metrosideros and Pisonia. Growing on Planchonella. Preserved_Specimen Higashino, P.K. 5559 Oahu BISH 1977-02-27
18 Korthalsella platycaula 1 mi E of Kaunamanu, Honopu, Berry Flat open forest; on Osmanthus sandwicensis Preserved_Specimen St.John, H. 19979 Kauai BISH 1939-02-11
19 Korthalsella platycaula USA, Hawaiian Islands, Maui, East Maui, Kipahulu Forest Reserve, Forest above Manawainui Bowl 4100, Aspect: SE. MesicL Acacia koa, Metrosideros, Myoporum degeneri, Coprosma, Xyllosma, Dodonaea, Myrsine, Melinis, Ageratina, Senecio, Alyxia, Peperomia Preserved_Specimen Pezzillo, Z. 1090 Maui BISH 2025-01-12
20 Korthalsella platycaula Kokee, Kauai,T. Hawaii On Elaeocarpus in open woods Preserved_Specimen Degener, O. 2425 Kauai BISH 1926-06-25
21 Korthalsella platycaula Kapua Gulch, S branch On Syzygium. Preserved_Specimen Degener, O. 28532 Lanai BISH 1963-08-25
22 Korthalsella platycaula Awaaqapuhi Trail, Honopu moist Metrosideros woods; parasitic on Osmanthus Preserved_Specimen St.John, H. 26002 Kauai BISH 1956-12-29
23 Korthalsella platycaula Kipapa Gulch, Waipio Wet forest. On Sideroxylon. Preserved_Specimen Fosberg, F.R. 9547 Oahu BISH 1933-06-12
24 Korthalsella platycaula Alaenui Ahupuaa, East Maui, along SW inner wall of Kipahulu Valley. Transect Ma, Station 122. Wet koa-ohia forest with other native trees and an exotic and native shrub understory. Growing under dense canopy of Syzygium jambos. Preserved_Specimen Warshauer, F.R. 2875 Maui BISH 1980-07-22
25 Korthalsella platycaula Upper Waimea, ridge between Kalalau Lookout and head of Alakai Swamp(Kaunoahua Ridge) steep slopes with dense forest of Metrosideros, Elaeocarpus, Ilex, Styphelia, and etc. Preserved_Specimen Stauffer, H.U. 5883 Kauai BISH 1964-04-11
26 Korthalsella platycaula near Kawaikoi stream along trail to Lehua makanoe on Elaeocarpus Preserved_Specimen Cranwell, L.M. 2830 Kauai BISH 1938-08-16
27 Korthalsella platycaula Waimea, Alakai Swamp along Kohua ridge wet ohia forest; on Elaeocarpus on exposed ridge; with treefern and native shrub understory Preserved_Specimen Warshauer, F.R. 3405 Kauai BISH 1981-05-16
28 Korthalsella platycaula Kokee, Waimea, Na Pali-Kona forest reserve wet forest Preserved_Specimen St.John, H. 13700 Kauai BISH 1933-12-27
29 Korthalsella platycaula Waininua Trail, Kokee,Waimea Mountain Metrondero and Osmanthus woods abundant on Osmanthus sandwicensis Preserved_Specimen St.John, H. 22881 Kauai BISH 1947-12-21
30 Korthalsella platycaula Milolii Trail near Kokee end In dense forest. On Elaeocarpus. Preserved_Specimen Degener, O. 12659 Kauai BISH 1940-01-03
31 Korthalsella platycaula Mohihi-Koau Ridge On a Cheirodendron tree Preserved_Specimen Bryan Jr., E.H. 1449 Kauai BISH 1940-07-28
32 Korthalsella platycaula Kokee Awaawapuhi Trail, ~1.5 mi from start dry Koa, Metrosideros Preserved_Specimen Sohmer, S.H. 6519 Kauai BISH 1970-07-17
33 Korthalsella platycaula Wainiha Valley on Bobea; moist forest Preserved_Specimen St.John, H. 13925 Kauai BISH 1934-01-01
34 Korthalsella platycaula Kukuiula, Mokuleia, Waianae Range. (Near forest trail #20a). Near my quadrat #3 Exceedingly abundant in two trees of Sapindus oahuensis in relict forest on slopes of small gulch. Preserved_Specimen Hatheway, W.H. 173 Oahu BISH 1950-08-12
35 Korthalsella platycaula Pahole Gulch, Waialua Distr., Waianae Mts Planchonella-Pisonia canopy with understory of Psychotria-Claoxylon-Athyrium. Parasitic on Planchonella. Preserved_Specimen Nagata, K.M. 1776 Oahu BISH 1978-09-01
36 Korthalsella platycaula Kukuiula, Mokuleia, Waianae Range. (Near forest trail #20a). Near my quadrat #3 Exceedingly abundant in two trees of Sapindus oahuensis in relict forest on slopes of small gulch. Preserved_Specimen Hatheway, W.H. 173 Oahu BISH 1950-08-12
37 Korthalsella platycaula Kokee, Waininiua Trail on Elaeocarpus bifidus Preserved_Specimen Herbst, D.R. 1064 Kauai BISH 1968-04-18
38 Korthalsella platycaula Waimea Drainage Basin, W side on Osmanthus Preserved_Specimen Forbes, C.N. 1695 Kauai BISH 1917-07-03
39 Korthalsella platycaula Head of Kumuwela Ridge wet forest on Sideroxylon Preserved_Specimen Fosberg, F.R. 12664 Kauai BISH 1935-12-28
40 Korthalsella platycaula Waiakoali host, Osmanthus sandwicensis Preserved_Specimen Neal, M.C. Kauai BISH 1930-08-22
41 Korthalsella platycaula Waimea, Waialeale Trail on Elaeocarpus bifidus Preserved_Specimen Chock, A.K. 981 Kauai BISH 1953-08-18
42 Korthalsella platycaula Kawaiumakua, Anahola on Bobea, in sun Preserved_Specimen Degener, O. 12660 Kauai BISH 1939-12-26
43 Korthalsella platycaula Pihea Trail Preserved_Specimen Corn, C. Kauai BISH 1990-02-17
44 Korthalsella platycaula Waikamoi trail On Syzygium sandwicense (Gray) Nied. Preserved_Specimen Forbes, C.N. 2606 Maui BISH 1920-06-25
45 Korthalsella platycaula Kokee parasitic on Osmanthus sandwicensis Preserved_Specimen Herbst, D.R. 1012 Kauai BISH 1968-03-31
46 Korthalsella platycaula Steep slopes of Makaha Valley On Diospyros sandwicensis Preserved_Specimen Wagner, W.L. 6065 Kauai BISH 1988-04-11
47 Korthalsella platycaula Mokulua, slopes of Kaala Preserved_Specimen Forbes, C.N. 1774 Oahu BISH 1912-04-26
48 Korthalsella platycaula Small valley northeast of Puu Hapapa Preserved_Specimen Degener, O. 8881 Oahu BISH 1932-08-07
49 Korthalsella platycaula East Maui, Waikamoi Flume Road, Makawao Forest Reserve. Preserved_Specimen Hobdy, R.W. 4186 Maui BISH 2004-05-22
50 Korthalsella platycaula Along stream bed, 2nd north fork, Kipapa Gulch, Waipio, Koolau Mts Preserved_Specimen Hosaka, E.Y. 1067 Oahu BISH 1933-06-11
51 Korthalsella platycaula Waimea Drainage Basin Preserved_Specimen Forbes, C.N. 971 Kauai BISH 1917-07-03
52 Korthalsella platycaula Kokee Region, Kauai Preserved_Specimen Degener, O. 21630 Kauai BISH 1952-01-12
53 Korthalsella platycaula Halemanu near Knusens cottage Preserved_Specimen MacDaniels, L.H. 747 Kauai BISH 1927-02-17
54 Korthalsella platycaula Koholuauanu, Waimea Preserved_Specimen Forbes, C.N. 337 Kauai BISH 1909-09-01
55 Korthalsella platycaula ridge to Mt. Kahili; E side ridge from jeep road to microwave relay station Preserved_Specimen Herbst, D.R. 2456 Kauai BISH 1972-05-30
56 Korthalsella platycaula Awaawapuhi Trail Preserved_Specimen Corn, C. 243 Kauai BISH 1987-06-16
57 Korthalsella platycaula Kaluaphi Trail, Kokee Wet forest Preserved_Specimen Herbst, D.R. 2034 Kauai BISH 1971-07-28
58 Korthalsella platycaula Kokee, Waimea,Na Pali-Kona Forest Reserve Preserved_Specimen St.John, H. 10699 Kauai BISH 1930-12-26
59 Korthalsella platycaula On the ridge W of Hanapepe River Preserved_Specimen Heller, A.A. 2640 Kauai BISH 1895-07-29
60 Korthalsella platycaula unknown Preserved_Specimen Rock, J.F.C. 5616 BISH 1909-01-01
61 Korthalsella platycaula Na Pali Trail Preserved_Specimen Corn, C. Kauai BISH 1984-07-20
62 Korthalsella platycaula unknown Preserved_Specimen Degener, O. 8885 BISH 1930-01-01
63 Korthalsella platycaula Olinda Preserved_Specimen Rock, J.F.C. 980 Maui BISH 1909-08-01
64 Korthalsella platycaula unknown Preserved_Specimen Rock, J.F.C. 5614 BISH 1909-01-01
65 Korthalsella platycaula Kokee, Kauai,T.Hawaii Preserved_Specimen Douglas, Miss 426 Kauai BISH 1928-06-29
66 Korthalsella platycaula unknown Preserved_Specimen Rock, J.F.C. BISH
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