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81 * PASSIFLORACEAE [1]

Dennis I Morris [2]

Herbaceous or woody vines, climbing by simple branch-opposed tendrils, less often erect shrubs or trees (not in Australia). Leaves alternate; stipule usually small and deciduous; petioles often glandular; lamina entire or lobed. Inflorescence a cyme or raceme, or flowers solitary; flowers usually subtended by 3 small or large and involucrate bracts. Flowers bisexual or rarely unisexual, actinomorphic, perigynous with a saucer-shaped or elongated hypanthium, commonly with an elongated androgynophore or rarely the ovary sessile or subsessile. Sepals (3–)5(–8), often petaloid, free or connate below, persistent. Petals as many as and alternate with the sepals, free or connate at the base; corona usually present on the hypanthium, composed of one or more rings of filaments or scales. Stamens (4)5(-many), alternate with the petals; filaments free or fused, often inserted on the androgynophore; anthers dithecal, versatile. Carpels united; ovary superior, unilocular, placentae parietal; styles free or connate at the base; stigmas clavate or discord. Fruit (in Tas.) a berry, indehiscent. Seeds 1-many, surrounded by membranous aril.

A family of about 10–16 genera and 600 species that are widespread in tropical and warm-temperate regions, especially tropical America and Africa. 2 genera and 13 species (2 endemic, 9 naturalized) in Australia. The Passifloraceae are placed in the very large order Malpighiales. They are closely related to the families Turneraceae (C & S America, Africa) and Malesheriaceae (Peru, Chile) and these two families are sometimes included in the Passifloraceae (Shore et al. 1994; APG II 2003; Stevens 2007). These three families are in a group of families that include the Salicaceae and Violaceae (see Stevens 2007 & references cited therein).

Key reference: Satterthwait (1982).

External resources: accepted names with synonymy & distribution in Australia (APC); author & publication abbreviations (IPNI); mapping (AVH, NVA); nomenclature (APNI, IPNI).

1 * PASSIFLORA

Passiflora L., Sp. Pl. 2: 955 (1753).

Herbaceous or ± woody climbers. Leaves usually lobed, margins entire or toothed, petioles with or without nectary glands. Flowers usually bisexual, often showy; hypanthium saucer-shaped, campanulate or cylindrical. Sepals 5, mostly free, fleshy or membranous. Petals 5; corona variously developed. Stamens 5(–8); filaments usually fused with the gynophore. Carpels 3–5; styles 3–4(5); stigmas capitate, orbicular or reniform. Berry globose to ovate, containing mucilaginous pulp.

A genus of about 400 species, the majority occurring in the Americas, the remainder from Indo-Australia and the western Pacific. 12 species (2 endemic, 9 naturalized) in Australia.

Several ornamental and fruiting species (eg. P. edulis Sims, Passionfruit) are grown in Tasmanian gardens but have not, as yet, become truly naturalized.

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1.

Petals red, 0.8–1.5 cm long; outer corona segments c. 8 mm long; petioles without glands; hypanthium saucer-shaped

1 P. cinnabarina

1:

Petals pink, 4.5–5 cm long; corona a ring of scales; petioles with glands; hypanthium elongated

2 P. tarminiana

1 * Passiflora cinnabarina Lindl., Gard. Chron. 23: 724 (1855)

Red Passionflower

Illustrations: Satterthwait, Fl. Australia 8: 151, fig. 34b; 155, fig. 35g (1982); Entwisle, Fl. Victoria 3: 378, fig. 78a (1996); Corrick & Fuhrer, Wildflowers of Victoria 173, fig. 608 (2000); Harden, Fl. New South Wales 1, rev. edn: 434 (2000).

Vine, climbing by axillary tendrils, glabrous. Leaves: stipules linear, c. 5 mm long; petioles shorter than the lamina, eglandular; lamina 5–8 cm long, 5–7 cm wide, 3-lobed, the lateral lobes sometimes with secondary lobing, obtuse to acute, adaxial surface shining, dark green, venation impressed, abaxial surface paler, dull green, venation raised. Flowers solitary; peduncles with 3 ± distant linear bracts; hypanthium saucer-shaped. Sepals green outside, red inside, c. 3 cm long. Petals red, 8–15 mm long; outer ring of corona composed of yellow linear filaments c. 8 mm long, inner ring whitish-green, membranous fringed white. Androgynophore with stamens fused for c. 2.5 cm, free part of the filament c. 1.5 cm long, gynophore extending c. 5 mm beyond the fused portion of the filaments. Ovary globular; styles 3, c. 8 mm long; stigmas capitate. Fruit greenish-grey, ellipsoid to spheroid, 2–3.5 cm long, 2–2.5 cm wide. Flowering Sep.-Feb.; fruiting Jan.-Feb.

Tas. (FLI, TNM, TYE); native to NSW, Vic. Known from a few localities near Launceston, Mayfield Bay and Binalong Bay. Satterthwaite (1982) lists this species as native to Tasmania but the absence of early records of a fairly noticeable plant suggests that it is an introduction. The species is widely used in horticulture worldwide.

2 * Passiflora tarminiana Coppins & V.E.Barney, Novon 11: 9 (2001)

Banana Passionfruit

Passiflora mollissima sensu D.R.Satterthwait, Fl. Australia 8: 154 (1982); A.M.Buchanan, A Census of Tasmanian Plants 3rd edn: 37 (1999), non (Kunth) L.H.Bailey (1916).

Illustrations [as P. mollissima]: Satterthwait, Fl. Australia 8: 151, fig. 34d (1982); Entwisle, Fl. Victoria 3: 378, fig. 78b (1996); Harden, Fl. New South Wales 1, rev. edn: 373, pl. 22; 434 (2000); Whiting et al., Tasmania’s Natural Flora 366 (2004); Richardson et al., Weeds of the South-East, an Identification Guide for Australia 333 (2006).

Climbing vine; stems cylindrical, ribbed, indumentum dense of short white or yellowish crisped hairs. Leaves: stipules acicular, auriculate 4–7 mm long, including the aristate apex, early deciduous; petioles 1.5–4 cm long, pubescent, with 1–4 pairs of glands; lamina 7–16 cm wide, trilobed, lobes ovate acute to acuminate, margins serrate; adaxial surface glabrescent, abaxial surface pubescent, veins ferruginous. Flowers solitary, pendent; peduncles 4–12 cm long, pubescent; bracts 3–4.5 cm long, united for 1/2 to 2/3 of their length, lobes ovate, entire, acuminate, veined; hypanthium 5.5–8 cm long, green externally, whitish within. Sepals and petals pink, opening perpendicular, becoming reflexed. Sepals 4.5–5 cm long with a short subterminal awn. Petals equalling or slightly shorter than the sepals; corona a ring of scales, white, purple at the base. Androgynophore 7–10 cm long, free part of the filaments c. 2 cm long; anthers c. 1 cm, yellow. Ovary fusiform, green, pubescent. Fruit yellow to orange, oblong, 6–7 cm long, 3–3.5 cm wide. Flowering Oct.-Mar.; fruiting Feb.-Mar.

Tas. (FLI, KIN, TSE); also naturalized in Qld, NSW, Vic.; native of South America. Originally grown in gardens for its sweet aromatic fruit. Established in a variety of situations and collections have been made in the Hobart, Bridport, Burnie, Tasman Peninsula and Woolnorth areas. Recorded for King Island by Wollnorth et al. (2002).

REFERENCES

APC (Australian Plant Census) http://www.chah.gov.au/apc/about-APC.html

APG II (2003) An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG II. Botanical journal of the Linnean Society 141 399–436.

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APNI (Australian Plant Name Index) http://www.anbg.gov.au/cgi-bin/apni

AVH (Australia’s Virtual Herbarium) (Council of Heads of Australasian Herbaria) http://www.anbg.gov.au/avh.html

IPNI (International Plant Name Index) http://www.ipni.org/index.html or http://www.us.ipni.org/index.html

NVA (Natural Values Atlas) (Department of Primary Industries and Water: Hobart) http://www.dpiw.tas.gov.au/inter.nsf/WebPages/LJEM-6TV6TV?open

Satterthwait DR (1982) Passifloraceae. Flora of Australia 8 147–158.

Shore JS, McQueen KL, Little SL (1994) Inheritance of plastid DNA in the Turnera ulmifolia complex. American Journal of Botany 81 1636–1639.

Stevens PF (2007) Angiosperm Phylogeny Website. Version 7, May 2006. http://www.mobot.org/MOBOT/research/APweb

Woolmore E, Finzel E, Barnes R, Wapstra H, Wapstra A, Rollins L, Fitzgerald N, Warman R (2002) King Island flora a field guide. (King Island Natural resource Management Group: King Island)

NOTE: Web addresses can and do change: a list of current web addresses will be maintained on the Flora of Tasmania Online website [www.tmag.tas.gov.au/floratasmania].

INDEX

B

Banana Passionfruit 2

M

Malesheriaceae 1

Malpighiales 1

P

Passiflora 1

Passiflora cinnabarina 2

Passiflora edulis 1

Passiflora mollissima 2

Passiflora tarminiana 2

Passifloraceae 1

Passionflower 2

Passionfruit 1, 2

R

Red Passionflower 2

S

Salicaceae 1

T

Turneraceae 1

V

Violaceae 1

[1] This work can be cited as: Morris DI (2009) 81 Passifloraceae, version 2009:1. In MF Duretto (Ed.) Flora of Tasmania Online. 3 pp. (Tasmanian Herbarium, Tasmanian Museum & Art Gallery: Hobart). ISBN 978-1-921599-21-7 (PDF). www.tmag.tas.gov.au/floratasmania

[2] (deceased) formerly Tasmanian Herbarium, Tasmanian Museum & Art Gallery, Private Bag 4, Hobart, Tasmania 7001, Australia.