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Yes, jalapenos have fiber: about 2.8 grams per 100 grams, or 2.5 grams in a cup of slices. A single pepper weighs only about 14 grams, though, so jalapeno fiber adds up to roughly 0.4 grams per pepper, while the vitamin C is far more impressive.

Canned pumpkin is high in fiber, with about 7.1 grams per cup for 83 calories. Fresh raw pumpkin is a different story, with only about 0.6 grams in a cup of cubes, so pumpkin fiber depends heavily on which form you buy.

A cup of baked acorn squash cubes has about 9 grams of fiber for about 115 calories. Acorn squash fiber beats butternut and spaghetti squash cup for cup, and it comes with plenty of potassium and magnesium.

Yes. Raw endive has about 3.1 grams of fiber per 100 grams, so a cup of chopped curly endive gives about 1.6 grams and a cup of sliced Belgian endive about 2.8 grams. Endive fiber is high for a salad green, and it comes with very few calories.

Not in the amounts most people eat. A medium scallion has about 0.4 grams of fiber, while a full cup of chopped scallions has about 2.6 grams for 32 calories. Scallions fiber beats onions and leeks gram for gram, with plenty of vitamin K.

Yes. A cup of sliced raw fennel has about 2.7 grams of fiber for 27 calories, and a whole bulb has around 7 grams. Fennel fiber stacks up well against other crunchy vegetables, and the bulb adds vitamin K, vitamin C and potassium too.

Yes, a modest amount. One raw leek or a cup of chopped raw leeks has about 1.6 grams of fiber, and a boiled leek has about 1.2 grams. Leeks fiber is moderate, but leeks also bring vitamin K, manganese and folate, plus fructans that count among their carbohydrates.

Only a little. A cup of chopped raw watercress has about 0.2 grams of fiber, and even 100 grams has just 0.5 grams. Watercress fiber is minimal, yet the same cup delivers about 71% of your daily vitamin K for around 4 calories.

No. A cup of raw arugula has only about 0.3 grams of fiber because the leaves weigh so little, and 100 grams holds about 1.6 grams. Arugula fiber is modest, but the same leaves bring generous vitamin K, folate and calcium for almost no calories.

Yes. A cup of boiled beet greens has about 4.2 grams of fiber for only 39 calories, which is more than a cup of cooked beets. Beet greens fiber comes with over a quarter of your daily potassium and nearly six times the Daily Value for vitamin K.

Mustard greens are a moderate source: a cup of boiled fresh mustard greens has about 2.8 grams of fiber for 36 calories. Frozen mustard greens fiber is higher, at about 4.2 grams per cooked cup, with even fewer calories.

Yes. A cup of chopped, boiled Swiss chard has about 3.7 grams of fiber for only 35 calories. Swiss chard fiber comes with a big dose of vitamin K, magnesium and potassium.