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Protium costaricense(Rose) Engl.

(Rose) Engler, Nat. Pfl. ed. 2, 19a: 414.1931

P. salvozae Standl.

Functionally dioecious tree, to 11(25) m tall,the trunk usually less than 20 cm dbh; outer bark minutelyrough­ened; inner bark reddish, forming minute, cloudy, visciddroplets; sap lacking typical burseraceous aroma; stems, petioles,rachises, inflorescence branches, and veins of leaflet pubescent,the trichomes stiff, erect, brownish, of varying lengths. Leavespinnate; petioles 4-6.5 cm long, flattened on upper surface;leaflets (3) 5-7 (9), mostly oblong-elliptic, abruptly acuminate,obtuse to acute at base, slightly inequilateral, 6-17 cm long,2.5-8 cm wide. Flowers cream, 4-parted, in axillary panicles 1-13.5cm long, often branched from near base; pedicels 1.5-3 mm long,puberulent; calyx bowl-shaped, broader than long, 1-2 mm long,shallowly lobed, the lobes acute to rounded; petals ca 3 mm long,narrowly ovate, acute and weakly spreading at apex; stamens 8,arising from beneath a prominent disk, the disk weakly lobed, halfas high as ovary in pistillate flowers (2 mm tall), as high asovary in staminate flowers; filaments inflexed; anthers helddirectly over style; pollen white, tacky; ovary ovoid,                appressed-pubescent,much shorter than stamens; style ± sessile; stigma 4-lobed.Capsules drupaceous, ± ovoid, 1.5-2 cm long, violet-purple tobrownish, sparsely lenti­cellate, obtuse at both ends, thevalves 2 (5), one falling free; pyrene 1, tan, 1-seeded, ca 1 cmlong, falling free from funiculus (this ca 5 mm from apex) andsuspended on a narrow band of tissue, enveloped in a white, sweet,fleshy aril displayed against the bright red inner valve surface.Croat 8262, 14926.

Rare, in the older forest along Zetek and Draytontrails. Apparently flowers twice per season, once in February andearly March, with the fruits maturing in March and April, and againin May and June, with the fruits devel­oping mostly in Augustand September.

Known from Costa Rica and Panama. In Panama,known only from tropical moist and premontane wet forests in theCanal Zone on the Atlantic slope; no doubt occurring on theAtlantic slope of western Panama also.

Images
Source:ESP
Protium  costaricense
Protium costaricense seed-dry
Steven Paton
Source:ROUBIK_POLLEN
Protium  costaricense
Protium costaricense
Enrique Moreno, David Roubik
Source:ROUBIK_POLLEN
Protium  costaricense
Protium costaricense
Enrique Moreno, David Roubik
Source:CTFS
Protium  costaricense
Protium costaricense Fruit
Rolando Pérez
Source:CTFS
Protium  costaricense
Protium costaricense Fruit
Rolando Pérez
Source:CTFS
Protium  costaricense
Protium costaricense Fruit Leaf
Rolando Pérez
Source:CTFS
Protium  costaricense
Protium costaricense Fruit Leaf
Rolando Pérez
Source:CTFS
Protium  costaricense
Protium costaricense Leaf
Rolando Pérez
Source:CTFS
Protium  costaricense
Protium costaricense Root
Rolando Pérez
Source:CTFS
Protium  costaricense
Protium costaricense Trunk
Rolando Pérez
Source:CTFS
Protium  costaricense
Protium costaricense
Nefertaris Daguerre
Source:CTFS
Protium  costaricense
Protium costaricense
Nefertaris Daguerre
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